31313244231313 has 32 divisors (see below), whose sum is σ = 35442570240000. Its totient is φ = 27407137190400.

The previous prime is 31313244231299. The next prime is 31313244231407.

31313244231313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31313244231313 - 2⁵ = 31313244231281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31313244231413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 997443745 + ... + 997475137.

It is an arithmetic number, because the mean of its divisors is an integer number (1107580320000).

Almost surely, 2^{31313244231313} is an apocalyptic number.

It is an amenable number.

31313244231313 is a deficient number, since it is larger than the sum of its proper divisors (4129326008687).

31313244231313 is a wasteful number, since it uses less digits than its factorization.

31313244231313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46333.

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

It can be divided in two parts, 3131324 and 4231313, that added together give a palindrome (7362637).

The spelling of 31313244231313 in words is "thirty-one trillion, three hundred thirteen billion, two hundred forty-four million, two hundred thirty-one thousand, three hundred thirteen".