131302310321 has 32 divisors (see below), whose sum is σ = 171147271680. Its totient is φ = 97754582016.

The previous prime is 131302310263. The next prime is 131302310393. The reversal of 131302310321 is 123013203131.

It is a de Polignac number, because none of the positive numbers 2^k-131302310321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131302310293 and 131302310302.

It is not an unprimeable number, because it can be changed into a prime (131302310221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11019515 + ... + 11031423.

It is an arithmetic number, because the mean of its divisors is an integer number (5348352240).

Almost surely, 2^131302310321 is an apocalyptic number.

It is an amenable number.

131302310321 is a deficient number, since it is larger than the sum of its proper divisors (39844961359).

131302310321 is a wasteful number, since it uses less digits than its factorization.

131302310321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19073.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131302310321 its reverse (123013203131), we get a palindrome (254315513452).

The spelling of 131302310321 in words is "one hundred thirty-one billion, three hundred two million, three hundred ten thousand, three hundred twenty-one".