317165172 has 12 divisors (see below), whose sum is σ = 740052096. Its totient is φ = 105721720.

The previous prime is 317165159. The next prime is 317165183. The reversal of 317165172 is 271561713.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 13215204 + ... + 13215227.

It is an arithmetic number, because the mean of its divisors is an integer number (61671008).

Almost surely, 2^317165172 is an apocalyptic number.

It is an amenable number.

317165172 is an abundant number, since it is smaller than the sum of its proper divisors (422886924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317165172 is a wasteful number, since it uses less digits than its factorization.

317165172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26430438 (or 26430436 counting only the distinct ones).

The product of its digits is 8820, while the sum is 33.

The square root of 317165172 is about 17809.1317025845. The cubic root of 317165172 is about 681.9645982833.

The spelling of 317165172 in words is "three hundred seventeen million, one hundred sixty-five thousand, one hundred seventy-two".