31379705004 has 12 divisors (see below), whose sum is σ = 73219311704. Its totient is φ = 10459901664.

The previous prime is 31379704987. The next prime is 31379705011. The reversal of 31379705004 is 40050797313.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×31379705004² (a number of 22 digits) contains 22 as substring.

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, 1307487697 + ... + 1307487720.

Almost surely, 2^31379705004 is an apocalyptic number.

It is an amenable number.

31379705004 is an abundant number, since it is smaller than the sum of its proper divisors (41839606700).

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

31379705004 is a wasteful number, since it uses less digits than its factorization.

31379705004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614975424 (or 2614975422 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The spelling of 31379705004 in words is "thirty-one billion, three hundred seventy-nine million, seven hundred five thousand, four".