316534172 has 6 divisors (see below), whose sum is σ = 553934808. Its totient is φ = 158267084.

The previous prime is 316534171. The next prime is 316534187. The reversal of 316534172 is 271435613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316534171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39566768 + ... + 39566775.

It is an arithmetic number, because the mean of its divisors is an integer number (92322468).

Almost surely, 2^316534172 is an apocalyptic number.

It is an amenable number.

316534172 is a deficient number, since it is larger than the sum of its proper divisors (237400636).

316534172 is a wasteful number, since it uses less digits than its factorization.

316534172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79133547 (or 79133545 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 316534172 is about 17791.4072518168. The cubic root of 316534172 is about 681.5120419195.

Adding to 316534172 its reverse (271435613), we get a palindrome (587969785).

The spelling of 316534172 in words is "three hundred sixteen million, five hundred thirty-four thousand, one hundred seventy-two".