31323022032313 has 16 divisors (see below), whose sum is σ = 34509538742400. Its totient is φ = 28193010768000.

The previous prime is 31323022032299. The next prime is 31323022032349.

31323022032313 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31323022032313 is a prime.

It is a super-2 number, since 2×31323022032313² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31323022032353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66666988 + ... + 67135186.

It is an arithmetic number, because the mean of its divisors is an integer number (2156846171400).

Almost surely, 2^{31323022032313} is an apocalyptic number.

It is an amenable number.

31323022032313 is a deficient number, since it is larger than the sum of its proper divisors (3186516710087).

31323022032313 is a wasteful number, since it uses less digits than its factorization.

31323022032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528528.

The product of its (nonzero) digits is 11664, while the sum is 28.

It can be divided in two parts, 3132302 and 2032313, that added together give a palindrome (5164615).

The spelling of 31323022032313 in words is "thirty-one trillion, three hundred twenty-three billion, twenty-two million, thirty-two thousand, three hundred thirteen".