13213312023931 has 2 divisors, whose sum is σ = 13213312023932. Its totient is φ = 13213312023930.

The previous prime is 13213312023913. The next prime is 13213312023949. The reversal of 13213312023931 is 13932021331231.

Together with previous prime (13213312023913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (13213312023913) and next prime (13213312023949).

It is a cyclic number.

It is not a de Polignac number, because 13213312023931 - 2²¹ = 13213309926779 is a prime.

It is a super-2 number, since 2×13213312023931² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13213312023911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606656011965 + 6606656011966.

It is an arithmetic number, because the mean of its divisors is an integer number (6606656011966).

Almost surely, 2^{13213312023931} is an apocalyptic number.

13213312023931 is a deficient number, since it is larger than the sum of its proper divisors (1).

13213312023931 is an equidigital number, since it uses as much as digits as its factorization.

13213312023931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 34.

The spelling of 13213312023931 in words is "thirteen trillion, two hundred thirteen billion, three hundred twelve million, twenty-three thousand, nine hundred thirty-one".