315131135164 has 12 divisors (see below), whose sum is σ = 551483560600. Its totient is φ = 157564403568.

The previous prime is 315131135113. The next prime is 315131135219. The reversal of 315131135164 is 461531131513.

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, 672847 + ... + 1040665.

Almost surely, 2^315131135164 is an apocalyptic number.

It is an amenable number.

315131135164 is a deficient number, since it is larger than the sum of its proper divisors (236352425436).

315131135164 is a wasteful number, since it uses less digits than its factorization.

315131135164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582012 (or 582010 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

Adding to 315131135164 its reverse (461531131513), we get a palindrome (776662266677).

The spelling of 315131135164 in words is "three hundred fifteen billion, one hundred thirty-one million, one hundred thirty-five thousand, one hundred sixty-four".