316129688 has 32 divisors (see below), whose sum is σ = 717271200. Its totient is φ = 127514112.

The previous prime is 316129669. The next prime is 316129703. The reversal of 316129688 is 886921613.

316129688 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165083 + ... + 166986.

It is an arithmetic number, because the mean of its divisors is an integer number (22414725).

Almost surely, 2^316129688 is an apocalyptic number.

It is an amenable number.

316129688 is an abundant number, since it is smaller than the sum of its proper divisors (401141512).

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

316129688 is a wasteful number, since it uses less digits than its factorization.

316129688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332099 (or 332095 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 316129688 is about 17780.0362204355. The cubic root of 316129688 is about 681.2216275477.

The spelling of 316129688 in words is "three hundred sixteen million, one hundred twenty-nine thousand, six hundred eighty-eight".