131303000020321 has 4 divisors (see below), whose sum is σ = 131345097811200. Its totient is φ = 131260902229444.

The previous prime is 131303000020307. The next prime is 131303000020331. The reversal of 131303000020321 is 123020000303131.

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 131303000020321 - 2⁵ = 131303000020289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303000020331) 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, 21048890761 + ... + 21048896998.

It is an arithmetic number, because the mean of its divisors is an integer number (32836274452800).

Almost surely, 2^{131303000020321} is an apocalyptic number.

It is an amenable number.

131303000020321 is a deficient number, since it is larger than the sum of its proper divisors (42097790879).

131303000020321 is an equidigital number, since it uses as much as digits as its factorization.

131303000020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42097790878.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 131303000020321 its reverse (123020000303131), we get a palindrome (254323000323452).

The spelling of 131303000020321 in words is "one hundred thirty-one trillion, three hundred three billion, twenty thousand, three hundred twenty-one".