317957231165 has 12 divisors (see below), whose sum is σ = 443842339356. Its totient is φ = 218027815488.

The previous prime is 317957231117. The next prime is 317957231203. The reversal of 317957231165 is 561132759713.

It can be written as a sum of positive squares in 2 ways, for example, as 203839608196 + 114117622969 = 451486^2 + 337813^2 .

It is not a de Polignac number, because 317957231165 - 2⁶ = 317957231101 is a prime.

It is a super-3 number, since 3×317957231165³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648892064 + ... + 648892553.

It is an arithmetic number, because the mean of its divisors is an integer number (36986861613).

Almost surely, 2^317957231165 is an apocalyptic number.

317957231165 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

317957231165 is a deficient number, since it is larger than the sum of its proper divisors (125885108191).

317957231165 is a wasteful number, since it uses less digits than its factorization.

317957231165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297784636 (or 1297784629 counting only the distinct ones).

The product of its digits is 1190700, while the sum is 50.

The spelling of 317957231165 in words is "three hundred seventeen billion, nine hundred fifty-seven million, two hundred thirty-one thousand, one hundred sixty-five".