22013113231 has 2 divisors, whose sum is σ = 22013113232. Its totient is φ = 22013113230.

The previous prime is 22013113181. The next prime is 22013113319. The reversal of 22013113231 is 13231131022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22013113231 - 2¹⁹ = 22012588943 is a prime.

It is a super-2 number, since 2×22013113231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22013113199 and 22013113208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22013113931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006556615 + 11006556616.

It is an arithmetic number, because the mean of its divisors is an integer number (11006556616).

Almost surely, 2^22013113231 is an apocalyptic number.

22013113231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22013113231 is an equidigital number, since it uses as much as digits as its factorization.

22013113231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22013113231 its reverse (13231131022), we get a palindrome (35244244253).

The spelling of 22013113231 in words is "twenty-two billion, thirteen million, one hundred thirteen thousand, two hundred thirty-one".