31712254813 has 8 divisors (see below), whose sum is σ = 32151392000. Its totient is φ = 31274060688.

The previous prime is 31712254759. The next prime is 31712254823. The reversal of 31712254813 is 31845221713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31712254813 - 2²⁵ = 31678700381 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 (31712254823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167913 + ... + 302686.

It is an arithmetic number, because the mean of its divisors is an integer number (4018924000).

Almost surely, 2^31712254813 is an apocalyptic number.

It is an amenable number.

31712254813 is a deficient number, since it is larger than the sum of its proper divisors (439137187).

31712254813 is an equidigital number, since it uses as much as digits as its factorization.

31712254813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471531.

The product of its digits is 40320, while the sum is 37.

The spelling of 31712254813 in words is "thirty-one billion, seven hundred twelve million, two hundred fifty-four thousand, eight hundred thirteen".