13286391041831 has 4 divisors (see below), whose sum is σ = 13286716498200. Its totient is φ = 13286065585464.

The previous prime is 13286391041743. The next prime is 13286391041839. The reversal of 13286391041831 is 13814019368231.

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 13286391041831 - 2¹⁸ = 13286390779687 is a prime.

It is a super-2 number, since 2×13286391041831² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13286391041831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13286391041839) 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, 162666941 + ... + 162748598.

It is an arithmetic number, because the mean of its divisors is an integer number (3321679124550).

Almost surely, 2^{13286391041831} is an apocalyptic number.

13286391041831 is a deficient number, since it is larger than the sum of its proper divisors (325456369).

13286391041831 is an equidigital number, since it uses as much as digits as its factorization.

13286391041831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325456368.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 13286391041831 in words is "thirteen trillion, two hundred eighty-six billion, three hundred ninety-one million, forty-one thousand, eight hundred thirty-one".