131330032013 has 4 divisors (see below), whose sum is σ = 134384218848. Its totient is φ = 128275845180.

The previous prime is 131330031979. The next prime is 131330032019. The reversal of 131330032013 is 310230033131.

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 not a de Polignac number, because 131330032013 - 2²⁸ = 131061596557 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 (131330032019) 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, 1527093353 + ... + 1527093438.

It is an arithmetic number, because the mean of its divisors is an integer number (33596054712).

Almost surely, 2^131330032013 is an apocalyptic number.

It is an amenable number.

131330032013 is a deficient number, since it is larger than the sum of its proper divisors (3054186835).

131330032013 is an equidigital number, since it uses as much as digits as its factorization.

131330032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054186834.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 131330032013 its reverse (310230033131), we get a palindrome (441560065144).

The spelling of 131330032013 in words is "one hundred thirty-one billion, three hundred thirty million, thirty-two thousand, thirteen".