31506960004 has 27 divisors (see below), whose sum is σ = 59713503717. Its totient is φ = 14539543824.

The previous prime is 31506959971. The next prime is 31506960049. The reversal of 31506960004 is 40006960513.

The square root of 31506960004 is 177502.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4660792900 + 26846167104 = 68270^2 + 163848^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4611639 + ... + 4618465.

Almost surely, 2^31506960004 is an apocalyptic number.

31506960004 is the 177502-nd square number.

It is an amenable number.

31506960004 is a deficient number, since it is larger than the sum of its proper divisors (28206543713).

31506960004 is an frugal number, since it uses more digits than its factorization.

31506960004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13684 (or 6842 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 31506960004 in words is "thirty-one billion, five hundred six million, nine hundred sixty thousand, four".