131033010130021 has 4 divisors (see below), whose sum is σ = 131096525890752. Its totient is φ = 130969494369292.

The previous prime is 131033010130013. The next prime is 131033010130051. The reversal of 131033010130021 is 120031010330131.

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 131033010130021 - 2³ = 131033010130013 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 (131033010130051) 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, 31757877271 + ... + 31757881396.

It is an arithmetic number, because the mean of its divisors is an integer number (32774131472688).

Almost surely, 2^{131033010130021} is an apocalyptic number.

It is an amenable number.

131033010130021 is a deficient number, since it is larger than the sum of its proper divisors (63515760731).

131033010130021 is an equidigital number, since it uses as much as digits as its factorization.

131033010130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63515760730.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131033010130021 its reverse (120031010330131), we get a palindrome (251064020460152).

The spelling of 131033010130021 in words is "one hundred thirty-one trillion, thirty-three billion, ten million, one hundred thirty thousand, twenty-one".