13112732231 has 2 divisors, whose sum is σ = 13112732232. Its totient is φ = 13112732230.

The previous prime is 13112732209. The next prime is 13112732251. The reversal of 13112732231 is 13223721131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13112732231 - 2³⁰ = 12038990407 is a prime.

It is a super-2 number, since 2×13112732231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13112732231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13112732251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556366115 + 6556366116.

It is an arithmetic number, because the mean of its divisors is an integer number (6556366116).

Almost surely, 2^13112732231 is an apocalyptic number.

13112732231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112732231 is an equidigital number, since it uses as much as digits as its factorization.

13112732231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 26.

The spelling of 13112732231 in words is "thirteen billion, one hundred twelve million, seven hundred thirty-two thousand, two hundred thirty-one".