31331022013313 has 8 divisors (see below), whose sum is σ = 34425190964640. Its totient is φ = 28277835432480.

The previous prime is 31331022013307. The next prime is 31331022013321.

31331022013313 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31331022013313 - 2¹⁰ = 31331022012289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31331022010313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10245591020 + ... + 10245594077.

It is an arithmetic number, because the mean of its divisors is an integer number (4303148870580).

Almost surely, 2^{31331022013313} is an apocalyptic number.

It is an amenable number.

31331022013313 is a deficient number, since it is larger than the sum of its proper divisors (3094168951327).

31331022013313 is a wasteful number, since it uses less digits than its factorization.

31331022013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20491185247.

The product of its (nonzero) digits is 2916, while the sum is 26.

It can be divided in two parts, 3133102 and 2013313, that added together give a palindrome (5146415).

The spelling of 31331022013313 in words is "thirty-one trillion, three hundred thirty-one billion, twenty-two million, thirteen thousand, three hundred thirteen".