31279996796 has 12 divisors (see below), whose sum is σ = 54914884752. Its totient is φ = 15590029728.

The previous prime is 31279996793. The next prime is 31279996843. The reversal of 31279996796 is 69769997213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31279996793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12490760 + ... + 12493263.

It is an arithmetic number, because the mean of its divisors is an integer number (4576240396).

Almost surely, 2^31279996796 is an apocalyptic number.

It is an amenable number.

31279996796 is a deficient number, since it is larger than the sum of its proper divisors (23634887956).

31279996796 is a wasteful number, since it uses less digits than its factorization.

31279996796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24984340 (or 24984338 counting only the distinct ones).

The product of its digits is 69441624, while the sum is 68.

The spelling of 31279996796 in words is "thirty-one billion, two hundred seventy-nine million, nine hundred ninety-six thousand, seven hundred ninety-six".