22013031131 has 32 divisors (see below), whose sum is σ = 28046847360. Its totient is φ = 16804537344.

The previous prime is 22013031127. The next prime is 22013031137. The reversal of 22013031131 is 13113031022.

It is not a de Polignac number, because 22013031131 - 2² = 22013031127 is a prime.

It is a super-2 number, since 2×22013031131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22013031137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6524561 + ... + 6527933.

It is an arithmetic number, because the mean of its divisors is an integer number (876463980).

Almost surely, 2^22013031131 is an apocalyptic number.

22013031131 is a deficient number, since it is larger than the sum of its proper divisors (6033816229).

22013031131 is a wasteful number, since it uses less digits than its factorization.

22013031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 22013031131 its reverse (13113031022), we get a palindrome (35126062153).

The spelling of 22013031131 in words is "twenty-two billion, thirteen million, thirty-one thousand, one hundred thirty-one".