131123210130013 has 4 divisors (see below), whose sum is σ = 131123258353728. Its totient is φ = 131123161906300.

The previous prime is 131123210129941. The next prime is 131123210130071. The reversal of 131123210130013 is 310031012321131.

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-131123210130013 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 (131123210139013) 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, 19773013 + ... + 25558138.

It is an arithmetic number, because the mean of its divisors is an integer number (32780814588432).

Almost surely, 2^{131123210130013} is an apocalyptic number.

It is an amenable number.

131123210130013 is a deficient number, since it is larger than the sum of its proper divisors (48223715).

131123210130013 is an equidigital number, since it uses as much as digits as its factorization.

131123210130013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48223714.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 131123210130013 its reverse (310031012321131), we get a palindrome (441154222451144).

The spelling of 131123210130013 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, two hundred ten million, one hundred thirty thousand, thirteen".