131302031011013 has 4 divisors (see below), whose sum is σ = 131309456354208. Its totient is φ = 131294605667820.

The previous prime is 131302031011003. The next prime is 131302031011097. The reversal of 131302031011013 is 310110130203131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131302031011013 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 (131302031011003) 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, 3712645073 + ... + 3712680438.

It is an arithmetic number, because the mean of its divisors is an integer number (32827364088552).

Almost surely, 2^{131302031011013} is an apocalyptic number.

It is an amenable number.

131302031011013 is a deficient number, since it is larger than the sum of its proper divisors (7425343195).

131302031011013 is an equidigital number, since it uses as much as digits as its factorization.

131302031011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7425343194.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 131302031011013 its reverse (310110130203131), we get a palindrome (441412161214144).

The spelling of 131302031011013 in words is "one hundred thirty-one trillion, three hundred two billion, thirty-one million, eleven thousand, thirteen".