22102313231 has 2 divisors, whose sum is σ = 22102313232. Its totient is φ = 22102313230.

The previous prime is 22102313221. The next prime is 22102313249. The reversal of 22102313231 is 13231320122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22102313231 - 2³⁴ = 4922444047 is a prime.

It is a super-2 number, since 2×22102313231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22102313221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051156615 + 11051156616.

It is an arithmetic number, because the mean of its divisors is an integer number (11051156616).

Almost surely, 2^22102313231 is an apocalyptic number.

22102313231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102313231 is an equidigital number, since it uses as much as digits as its factorization.

22102313231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22102313231 its reverse (13231320122), we get a palindrome (35333633353).

The spelling of 22102313231 in words is "twenty-two billion, one hundred two million, three hundred thirteen thousand, two hundred thirty-one".