22431300113231 has 2 divisors, whose sum is σ = 22431300113232. Its totient is φ = 22431300113230.

The previous prime is 22431300113227. The next prime is 22431300113273. The reversal of 22431300113231 is 13231100313422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22431300113231 - 2² = 22431300113227 is a prime.

It is a super-2 number, since 2×22431300113231² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22431300113231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22431300113291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11215650056615 + 11215650056616.

It is an arithmetic number, because the mean of its divisors is an integer number (11215650056616).

Almost surely, 2^{22431300113231} is an apocalyptic number.

22431300113231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22431300113231 is an equidigital number, since it uses as much as digits as its factorization.

22431300113231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 22431300113231 its reverse (13231100313422), we get a palindrome (35662400426653).

The spelling of 22431300113231 in words is "twenty-two trillion, four hundred thirty-one billion, three hundred million, one hundred thirteen thousand, two hundred thirty-one".