931322343223139 has 16 divisors (see below), whose sum is σ = 1074923308380096. Its totient is φ = 790360351440000.

The previous prime is 931322343223091. The next prime is 931322343223273.

931322343223139 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-931322343223139 is a prime.

It is a super-2 number, since 2×931322343223139² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (931322343223339) 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, 35736569 + ... + 56033445.

It is an arithmetic number, because the mean of its divisors is an integer number (67182706773756).

Almost surely, 2^{931322343223139} is an apocalyptic number.

931322343223139 is a deficient number, since it is larger than the sum of its proper divisors (143600965156957).

931322343223139 is a wasteful number, since it uses less digits than its factorization.

931322343223139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20361886.

The product of its digits is 3779136, while the sum is 50.

The spelling of 931322343223139 in words is "nine hundred thirty-one trillion, three hundred twenty-two billion, three hundred forty-three million, two hundred twenty-three thousand, one hundred thirty-nine".