22331031013 has 6 divisors (see below), whose sum is σ = 22888976402. Its totient is φ = 21786370080.

The previous prime is 22331030927. The next prime is 22331031043. The reversal of 22331031013 is 31013013322.

It can be written as a sum of positive squares in 3 ways, for example, as 2654516484 + 19676514529 = 51522^2 + 140273^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22331031013 is a prime.

It is a super-2 number, since 2×22331031013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22331031043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6640506 + ... + 6643867.

Almost surely, 2^22331031013 is an apocalyptic number.

It is an amenable number.

22331031013 is a deficient number, since it is larger than the sum of its proper divisors (557945389).

22331031013 is an equidigital number, since it uses as much as digits as its factorization.

22331031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13284455 (or 13284414 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 22331031013 its reverse (31013013322), we get a palindrome (53344044335).

The spelling of 22331031013 in words is "twenty-two billion, three hundred thirty-one million, thirty-one thousand, thirteen".