31318793404 has 12 divisors (see below), whose sum is σ = 54840857344. Its totient is φ = 15649977024.

The previous prime is 31318793383. The next prime is 31318793411. The reversal of 31318793404 is 40439781313.

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, 2347437 + ... + 2360740.

Almost surely, 2^31318793404 is an apocalyptic number.

It is an amenable number.

31318793404 is a deficient number, since it is larger than the sum of its proper divisors (23522063940).

31318793404 is a wasteful number, since it uses less digits than its factorization.

31318793404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4709844 (or 4709842 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 31318793404 in words is "thirty-one billion, three hundred eighteen million, seven hundred ninety-three thousand, four hundred four".