31368113292 has 12 divisors (see below), whose sum is σ = 73192264376. Its totient is φ = 10456037760.

The previous prime is 31368113263. The next prime is 31368113303. The reversal of 31368113292 is 29231186313.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31368113292.

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, 1307004709 + ... + 1307004732.

Almost surely, 2^31368113292 is an apocalyptic number.

It is an amenable number.

31368113292 is an abundant number, since it is smaller than the sum of its proper divisors (41824151084).

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

31368113292 is a wasteful number, since it uses less digits than its factorization.

31368113292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614009448 (or 2614009446 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The spelling of 31368113292 in words is "thirty-one billion, three hundred sixty-eight million, one hundred thirteen thousand, two hundred ninety-two".