13366346531231 has 4 divisors (see below), whose sum is σ = 13535540791200. Its totient is φ = 13197152271264.

The previous prime is 13366346531201. The next prime is 13366346531249. The reversal of 13366346531231 is 13213564366331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13366346531231 - 2²⁶ = 13366279422367 is a prime.

It is a super-3 number, since 3×13366346531231³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13366346531201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84597129866 + ... + 84597130023.

It is an arithmetic number, because the mean of its divisors is an integer number (3383885197800).

Almost surely, 2^{13366346531231} is an apocalyptic number.

13366346531231 is a deficient number, since it is larger than the sum of its proper divisors (169194259969).

13366346531231 is an equidigital number, since it uses as much as digits as its factorization.

13366346531231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169194259968.

The product of its digits is 2099520, while the sum is 47.

The spelling of 13366346531231 in words is "thirteen trillion, three hundred sixty-six billion, three hundred forty-six million, five hundred thirty-one thousand, two hundred thirty-one".