131020420430113 has 4 divisors (see below), whose sum is σ = 131020501494960. Its totient is φ = 131020339365268.

The previous prime is 131020420430099. The next prime is 131020420430167. The reversal of 131020420430113 is 311034024020131.

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 131020420430113 - 2²⁵ = 131020386875681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131020420430513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38057695 + ... + 41357332.

It is an arithmetic number, because the mean of its divisors is an integer number (32755125373740).

Almost surely, 2^{131020420430113} is an apocalyptic number.

It is an amenable number.

131020420430113 is a deficient number, since it is larger than the sum of its proper divisors (81064847).

131020420430113 is an equidigital number, since it uses as much as digits as its factorization.

131020420430113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81064846.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 131020420430113 its reverse (311034024020131), we get a palindrome (442054444450244).

The spelling of 131020420430113 in words is "one hundred thirty-one trillion, twenty billion, four hundred twenty million, four hundred thirty thousand, one hundred thirteen".