31597796272653 has 128 divisors (see below), whose sum is σ = 53396490739200. Its totient is φ = 18306900688896.

The previous prime is 31597796272529. The next prime is 31597796272667. The reversal of 31597796272653 is 35627269779513.

31597796272653 is a `hidden beast` number, since 3 + 1 + 597 + 7 + 9 + 6 + 2 + 7 + 26 + 5 + 3 = 666.

It is not a de Polignac number, because 31597796272653 - 2¹⁴ = 31597796256269 is a prime.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31597796272153) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 742111701 + ... + 742154277.

It is an arithmetic number, because the mean of its divisors is an integer number (417160083900).

Almost surely, 2^{31597796272653} is an apocalyptic number.

It is an amenable number.

31597796272653 is a deficient number, since it is larger than the sum of its proper divisors (21798694466547).

31597796272653 is a wasteful number, since it uses less digits than its factorization.

31597796272653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43308 (or 43302 counting only the distinct ones).

The product of its digits is 900169200, while the sum is 72.

The spelling of 31597796272653 in words is "thirty-one trillion, five hundred ninety-seven billion, seven hundred ninety-six million, two hundred seventy-two thousand, six hundred fifty-three".