13275660631 has 2 divisors, whose sum is σ = 13275660632. Its totient is φ = 13275660630.

The previous prime is 13275660613. The next prime is 13275660637. The reversal of 13275660631 is 13606657231.

Together with previous prime (13275660613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13275660631 - 2²³ = 13267272023 is a prime.

It is a super-3 number, since 3×13275660631³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13275660637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6637830315 + 6637830316.

It is an arithmetic number, because the mean of its divisors is an integer number (6637830316).

Almost surely, 2^13275660631 is an apocalyptic number.

13275660631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13275660631 is an equidigital number, since it uses as much as digits as its factorization.

13275660631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 13275660631 in words is "thirteen billion, two hundred seventy-five million, six hundred sixty thousand, six hundred thirty-one".