31310312313023 has 2 divisors, whose sum is σ = 31310312313024. Its totient is φ = 31310312313022.

The previous prime is 31310312312999. The next prime is 31310312313043. The reversal of 31310312313023 is 32031321301313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31310312313023 - 2¹⁸ = 31310312050879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31310312312983 and 31310312313001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31310312313043) 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 as a sum of consecutive naturals, namely, 15655156156511 + 15655156156512.

It is an arithmetic number, because the mean of its divisors is an integer number (15655156156512).

Almost surely, 2^{31310312313023} is an apocalyptic number.

31310312313023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31310312313023 is an equidigital number, since it uses as much as digits as its factorization.

31310312313023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31310312313023 its reverse (32031321301313), we get a palindrome (63341633614336).

The spelling of 31310312313023 in words is "thirty-one trillion, three hundred ten billion, three hundred twelve million, three hundred thirteen thousand, twenty-three".