131020420134013 has 8 divisors (see below), whose sum is σ = 131095208065536. Its totient is φ = 130945644254400.

The previous prime is 131020420133923. The next prime is 131020420134053. The reversal of 131020420134013 is 310431024020131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131020420134013 - 2⁹ = 131020420133501 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 (131020420134053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18780870 + ... + 24794392.

It is an arithmetic number, because the mean of its divisors is an integer number (16386901008192).

Almost surely, 2^{131020420134013} is an apocalyptic number.

It is an amenable number.

131020420134013 is a deficient number, since it is larger than the sum of its proper divisors (74787931523).

131020420134013 is a wasteful number, since it uses less digits than its factorization.

131020420134013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025955.

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

Adding to 131020420134013 its reverse (310431024020131), we get a palindrome (441451444154144).

The spelling of 131020420134013 in words is "one hundred thirty-one trillion, twenty billion, four hundred twenty million, one hundred thirty-four thousand, thirteen".