13223322535231 has 2 divisors, whose sum is σ = 13223322535232. Its totient is φ = 13223322535230.

The previous prime is 13223322535193. The next prime is 13223322535279. The reversal of 13223322535231 is 13253522332231.

13223322535231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13223322535231 - 2³³ = 13214732600639 is a prime.

It is a super-2 number, since 2×13223322535231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13223322535931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611661267615 + 6611661267616.

It is an arithmetic number, because the mean of its divisors is an integer number (6611661267616).

Almost surely, 2^{13223322535231} is an apocalyptic number.

13223322535231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223322535231 is an equidigital number, since it uses as much as digits as its factorization.

13223322535231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 37.

Adding to 13223322535231 its reverse (13253522332231), we get a palindrome (26476844867462).

The spelling of 13223322535231 in words is "thirteen trillion, two hundred twenty-three billion, three hundred twenty-two million, five hundred thirty-five thousand, two hundred thirty-one".