131884266013 has 4 divisors (see below), whose sum is σ = 133690899868. Its totient is φ = 130077632160.

The previous prime is 131884265987. The next prime is 131884266043. The reversal of 131884266013 is 310662488131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69929571364 + 61954694649 = 264442^2 + 248907^2 .

It is a cyclic number.

It is not a de Polignac number, because 131884266013 - 2²⁵ = 131850711581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131884266043) 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, 903316818 + ... + 903316963.

It is an arithmetic number, because the mean of its divisors is an integer number (33422724967).

Almost surely, 2^131884266013 is an apocalyptic number.

It is an amenable number.

131884266013 is a deficient number, since it is larger than the sum of its proper divisors (1806633855).

131884266013 is an equidigital number, since it uses as much as digits as its factorization.

131884266013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806633854.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 131884266013 in words is "one hundred thirty-one billion, eight hundred eighty-four million, two hundred sixty-six thousand, thirteen".