317216173765252 has 12 divisors (see below), whose sum is σ = 584345583251920. Its totient is φ = 150260292836136.

The previous prime is 317216173765199. The next prime is 317216173765291. The reversal of 317216173765252 is 252567371612713.

It is a happy number.

It is a super-2 number, since 2×317216173765252² (a number of 30 digits) 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, 2086948511538 + ... + 2086948511689.

Almost surely, 2^{317216173765252} is an apocalyptic number.

It is an amenable number.

317216173765252 is a deficient number, since it is larger than the sum of its proper divisors (267129409486668).

317216173765252 is a wasteful number, since it uses less digits than its factorization.

317216173765252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173897023250 (or 4173897023248 counting only the distinct ones).

The product of its digits is 22226400, while the sum is 58.

The spelling of 317216173765252 in words is "three hundred seventeen trillion, two hundred sixteen billion, one hundred seventy-three million, seven hundred sixty-five thousand, two hundred fifty-two".