317890372 has 12 divisors (see below), whose sum is σ = 557072236. Its totient is φ = 158726880.

The previous prime is 317890367. The next prime is 317890409. The reversal of 317890372 is 273098713.

It can be written as a sum of positive squares in 2 ways, for example, as 265559616 + 52330756 = 16296^2 + 7234^2 .

It is a super-2 number, since 2×317890372² = 202108577220596768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51279 + ... + 57142.

Almost surely, 2^317890372 is an apocalyptic number.

It is an amenable number.

317890372 is a deficient number, since it is larger than the sum of its proper divisors (239181864).

317890372 is a wasteful number, since it uses less digits than its factorization.

317890372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109158 (or 109156 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 317890372 is about 17829.4804186774. The cubic root of 317890372 is about 682.4839746312.

The spelling of 317890372 in words is "three hundred seventeen million, eight hundred ninety thousand, three hundred seventy-two".