31793639713 has 12 divisors (see below), whose sum is σ = 34988993620. Its totient is φ = 28868352480.

The previous prime is 31793639701. The next prime is 31793639743.

31793639713 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 10092814369 + 21700825344 = 100463^2 + 147312^2 .

It is not a de Polignac number, because 31793639713 - 2⁵ = 31793639681 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31793639743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58170 + ... + 258787.

Almost surely, 2^31793639713 is an apocalyptic number.

It is an amenable number.

31793639713 is a deficient number, since it is larger than the sum of its proper divisors (3195353907).

31793639713 is a wasteful number, since it uses less digits than its factorization.

31793639713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317808 (or 317797 counting only the distinct ones).

The product of its digits is 1928934, while the sum is 52.

The spelling of 31793639713 in words is "thirty-one billion, seven hundred ninety-three million, six hundred thirty-nine thousand, seven hundred thirteen".