317138315 has 16 divisors (see below), whose sum is σ = 433950048. Its totient is φ = 220417536.

The previous prime is 317138267. The next prime is 317138317. The reversal of 317138315 is 513831713.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317138315 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317138317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142397 + ... + 144606.

It is an arithmetic number, because the mean of its divisors is an integer number (27121878).

Almost surely, 2^317138315 is an apocalyptic number.

317138315 is a deficient number, since it is larger than the sum of its proper divisors (116811733).

317138315 is a wasteful number, since it uses less digits than its factorization.

317138315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287038.

The product of its digits is 7560, while the sum is 32.

The square root of 317138315 is about 17808.3776633359. The cubic root of 317138315 is about 681.9453485445.

The spelling of 317138315 in words is "three hundred seventeen million, one hundred thirty-eight thousand, three hundred fifteen".