31312422421313 has 32 divisors (see below), whose sum is σ = 35976918196224. Its totient is φ = 26992964880000.

The previous prime is 31312422421283. The next prime is 31312422421363.

31312422421313 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31312422421313 - 2²⁴ = 31312405644097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31312422421313.

It is not an unprimeable number, because it can be changed into a prime (31312422421363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20828 + ... + 7913613.

It is an arithmetic number, because the mean of its divisors is an integer number (1124278693632).

Almost surely, 2^{31312422421313} is an apocalyptic number.

It is an amenable number.

31312422421313 is a deficient number, since it is larger than the sum of its proper divisors (4664495774911).

31312422421313 is a wasteful number, since it uses less digits than its factorization.

31312422421313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7934717.

The product of its digits is 20736, while the sum is 32.

It can be divided in two parts, 3131242 and 2421313, that added together give a palindrome (5552555).

The spelling of 31312422421313 in words is "thirty-one trillion, three hundred twelve billion, four hundred twenty-two million, four hundred twenty-one thousand, three hundred thirteen".