316391172 has 24 divisors (see below), whose sum is σ = 739384800. Its totient is φ = 105301056.

The previous prime is 316391171. The next prime is 316391191. The reversal of 316391172 is 271193613.

It is not an unprimeable number, because it can be changed into a prime (316391171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12097 + ... + 27912.

It is an arithmetic number, because the mean of its divisors is an integer number (30807700).

Almost surely, 2^316391172 is an apocalyptic number.

It is an amenable number.

316391172 is an abundant number, since it is smaller than the sum of its proper divisors (422993628).

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

316391172 is a wasteful number, since it uses less digits than its factorization.

316391172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40675 (or 40673 counting only the distinct ones).

The product of its digits is 6804, while the sum is 33.

The square root of 316391172 is about 17787.3880038639. The cubic root of 316391172 is about 681.4093980238.

The spelling of 316391172 in words is "three hundred sixteen million, three hundred ninety-one thousand, one hundred seventy-two".