31312433421313 has 32 divisors (see below), whose sum is σ = 34490616614784. Its totient is φ = 28190448000000.

The previous prime is 31312433421277. The next prime is 31312433421341.

31312433421313 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-31312433421313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31312433422313) 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, 3162547663 + ... + 3162557563.

It is an arithmetic number, because the mean of its divisors is an integer number (1077831769212).

Almost surely, 2^{31312433421313} is an apocalyptic number.

It is an amenable number.

31312433421313 is a deficient number, since it is larger than the sum of its proper divisors (3178183193471).

31312433421313 is a wasteful number, since it uses less digits than its factorization.

31312433421313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14337.

The product of its digits is 46656, while the sum is 34.

It can be divided in two parts, 3131243 and 3421313, that added together give a palindrome (6552556).

The spelling of 31312433421313 in words is "thirty-one trillion, three hundred twelve billion, four hundred thirty-three million, four hundred twenty-one thousand, three hundred thirteen".