31253444411613 has 64 divisors (see below), whose sum is σ = 44770351104000. Its totient is φ = 19333869474816.

The previous prime is 31253444411599. The next prime is 31253444411653. The reversal of 31253444411613 is 31611444435213.

It is not a de Polignac number, because 31253444411613 - 2¹⁰ = 31253444410589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31253444411653) 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 63 ways as a sum of consecutive naturals, for example, 3030484945 + ... + 3030495257.

It is an arithmetic number, because the mean of its divisors is an integer number (699536736000).

Almost surely, 2^{31253444411613} is an apocalyptic number.

It is an amenable number.

31253444411613 is a deficient number, since it is larger than the sum of its proper divisors (13516906692387).

31253444411613 is a wasteful number, since it uses less digits than its factorization.

31253444411613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13586.

The product of its digits is 414720, while the sum is 42.

Adding to 31253444411613 its reverse (31611444435213), we get a palindrome (62864888846826).

The spelling of 31253444411613 in words is "thirty-one trillion, two hundred fifty-three billion, four hundred forty-four million, four hundred eleven thousand, six hundred thirteen".