317998965 has 16 divisors (see below), whose sum is σ = 509040000. Its totient is φ = 169518912.

The previous prime is 317998939. The next prime is 317998973. The reversal of 317998965 is 569899713.

It is not a de Polignac number, because 317998965 - 2²¹ = 315901813 is a prime.

It is a super-2 number, since 2×317998965² = 202246683482142450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41451 + ... + 48519.

It is an arithmetic number, because the mean of its divisors is an integer number (31815000).

Almost surely, 2^317998965 is an apocalyptic number.

It is an amenable number.

317998965 is a deficient number, since it is larger than the sum of its proper divisors (191041035).

317998965 is a wasteful number, since it uses less digits than its factorization.

317998965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10076.

The product of its digits is 3674160, while the sum is 57.

The square root of 317998965 is about 17832.5254801444. The cubic root of 317998965 is about 682.5616791391.

The spelling of 317998965 in words is "three hundred seventeen million, nine hundred ninety-eight thousand, nine hundred sixty-five".