13255544131 has 2 divisors, whose sum is σ = 13255544132. Its totient is φ = 13255544130.

The previous prime is 13255544129. The next prime is 13255544143. The reversal of 13255544131 is 13144555231.

It is a weak prime.

It is an emirp because it is prime and its reverse (13144555231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13255544131 - 2¹ = 13255544129 is a prime.

It is a super-2 number, since 2×13255544131² (a number of 21 digits) contains 22 as substring.

Together with 13255544129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13255574131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6627772065 + 6627772066.

It is an arithmetic number, because the mean of its divisors is an integer number (6627772066).

Almost surely, 2^13255544131 is an apocalyptic number.

13255544131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13255544131 is an equidigital number, since it uses as much as digits as its factorization.

13255544131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 34.

The spelling of 13255544131 in words is "thirteen billion, two hundred fifty-five million, five hundred forty-four thousand, one hundred thirty-one".