31310001304 has 32 divisors (see below), whose sum is σ = 59008098240. Its totient is φ = 15574624000.

The previous prime is 31310001299. The next prime is 31310001323. The reversal of 31310001304 is 40310001313.

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, 2418609 + ... + 2431519.

It is an arithmetic number, because the mean of its divisors is an integer number (1844003070).

Almost surely, 2^31310001304 is an apocalyptic number.

It is an amenable number.

31310001304 is a deficient number, since it is larger than the sum of its proper divisors (27698096936).

31310001304 is a wasteful number, since it uses less digits than its factorization.

31310001304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14451 (or 14447 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31310001304 its reverse (40310001313), we get a palindrome (71620002617).

Subtracting 31310001304 from its reverse (40310001313), we obtain a palindrome (9000000009).

The spelling of 31310001304 in words is "thirty-one billion, three hundred ten million, one thousand, three hundred four".