317519138915 has 24 divisors (see below), whose sum is σ = 419040563424. Its totient is φ = 230796086400.

The previous prime is 317519138879. The next prime is 317519138921. The reversal of 317519138915 is 519831915713.

It is not a de Polignac number, because 317519138915 - 2⁸ = 317519138659 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 964439 + ... + 1251071.

It is an arithmetic number, because the mean of its divisors is an integer number (17460023476).

Almost surely, 2^317519138915 is an apocalyptic number.

317519138915 is a deficient number, since it is larger than the sum of its proper divisors (101521424509).

317519138915 is a wasteful number, since it uses less digits than its factorization.

317519138915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288491 (or 288480 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 53.

The spelling of 317519138915 in words is "three hundred seventeen billion, five hundred nineteen million, one hundred thirty-eight thousand, nine hundred fifteen".