31130313004 has 24 divisors (see below), whose sum is σ = 62448743168. Its totient is φ = 13301251920.

The previous prime is 31130312971. The next prime is 31130313017. The reversal of 31130313004 is 40031303113.

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, 1670184 + ... + 1688719.

Almost surely, 2^31130313004 is an apocalyptic number.

It is an amenable number.

31130313004 is an abundant number, since it is smaller than the sum of its proper divisors (31318430164).

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

31130313004 is a wasteful number, since it uses less digits than its factorization.

31130313004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359245 (or 3359243 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31130313004 its reverse (40031303113), we get a palindrome (71161616117).

The spelling of 31130313004 in words is "thirty-one billion, one hundred thirty million, three hundred thirteen thousand, four".