13055131235431 has 2 divisors, whose sum is σ = 13055131235432. Its totient is φ = 13055131235430.

The previous prime is 13055131235389. The next prime is 13055131235441. The reversal of 13055131235431 is 13453213155031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13055131235431 - 2⁹ = 13055131234919 is a prime.

It is a super-2 number, since 2×13055131235431² (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 (13055131235441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6527565617715 + 6527565617716.

It is an arithmetic number, because the mean of its divisors is an integer number (6527565617716).

Almost surely, 2^{13055131235431} is an apocalyptic number.

13055131235431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13055131235431 is an equidigital number, since it uses as much as digits as its factorization.

13055131235431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 13055131235431 in words is "thirteen trillion, fifty-five billion, one hundred thirty-one million, two hundred thirty-five thousand, four hundred thirty-one".