31656848023 has 4 divisors (see below), whose sum is σ = 32129338360. Its totient is φ = 31184357688.

The previous prime is 31656847973. The next prime is 31656848063. The reversal of 31656848023 is 32084865613.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31656848023 - 2²⁵ = 31623293591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31656848063) 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, 236245068 + ... + 236245201.

It is an arithmetic number, because the mean of its divisors is an integer number (8032334590).

Almost surely, 2^31656848023 is an apocalyptic number.

31656848023 is a deficient number, since it is larger than the sum of its proper divisors (472490337).

31656848023 is an equidigital number, since it uses as much as digits as its factorization.

31656848023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472490336.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 31656848023 in words is "thirty-one billion, six hundred fifty-six million, eight hundred forty-eight thousand, twenty-three".