A golf ball comprising a golf ball body having a spherical core composed of at least one layer, an intermediate layer disposed outside the spherical core, a cover disposed outside the intermediate layer, and a paint film formed on a surface of the golf ball body, wherein the golf ball has a coefficient of friction calculated using a contact force tester of 0.35 or more and 0.60 or less; the golf ball has a plurality of dimples on a surface thereof, the dimples satisfying a following mathematical formula; Y ≦ 3.8 * X − 2.894 wherein, X represents a ratio of a total area of all the dimples to a surface area of a phantom sphere of the golf ball, and Y represents a standard deviation (mm) of diameters of all the dimples, at least one layer of the spherical core is a rubber layer formed from a rubber composition, wherein if the JIS-C hardness values of the rubber layer are measured at nine points obtained by dividing a thickness of the rubber layer into equal parts having 12.5 % intervals in a radial direction of the spherical core, and the hardness values are plotted against distance (%) from an innermost point of the rubber layer; then R 2 of a linear approximation curve obtained from a least square method is 0.95 or higher; the rubber layer has a hardness at an outermost point which is greater than a hardness at the innermost point; and the intermediate layer has a slab hardness (Hm) which is greater than a slab hardness (Hc) of the cover. a golf ball body having a spherical core composed of at least one layer, an intermediate layer disposed outside the spherical core, a cover disposed outside the intermediate layer, and a spherical core composed of at least one layer, an intermediate layer disposed outside the spherical core, a cover disposed outside the intermediate layer, and a paint film formed on a surface of the golf ball body, wherein the golf ball has a coefficient of friction calculated using a contact force tester of 0.35 or more and 0.60 or less; the golf ball has a plurality of dimples on a surface thereof, the dimples satisfying a following mathematical formula; Y ≦ 3.8 * X − 2.894 wherein, X represents a ratio of a total area of all the dimples to a surface area of a phantom sphere of the golf ball, and Y represents a standard deviation (mm) of diameters of all the dimples, X represents a ratio of a total area of all the dimples to a surface area of a phantom sphere of the golf ball, and Y represents a standard deviation (mm) of diameters of all the dimples, at least one layer of the spherical core is a rubber layer formed from a rubber composition, wherein if the JIS-C hardness values of the rubber layer are measured at nine points obtained by dividing a thickness of the rubber layer into equal parts having 12.5 % intervals in a radial direction of the spherical core, and the hardness values are plotted against distance (%) from an innermost point of the rubber layer; then R 2 of a linear approximation curve obtained from a least square method is 0.95 or higher; the rubber layer has a hardness at an outermost point which is greater than a hardness at the innermost point; and the intermediate layer has a slab hardness (Hm) which is greater than a slab hardness (Hc) of the cover.