31310023113311 has 2 divisors, whose sum is σ = 31310023113312. Its totient is φ = 31310023113310.

The previous prime is 31310023113247. The next prime is 31310023113373. The reversal of 31310023113311 is 11331132001313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31310023113311 - 2⁶ = 31310023113247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31310023116311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15655011556655 + 15655011556656.

It is an arithmetic number, because the mean of its divisors is an integer number (15655011556656).

Almost surely, 2^{31310023113311} is an apocalyptic number.

31310023113311 is a deficient number, since it is larger than the sum of its proper divisors (1).

31310023113311 is an equidigital number, since it uses as much as digits as its factorization.

31310023113311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 31310023113311 its reverse (11331132001313), we get a palindrome (42641155114624).

The spelling of 31310023113311 in words is "thirty-one trillion, three hundred ten billion, twenty-three million, one hundred thirteen thousand, three hundred eleven".