131320122321 has 8 divisors (see below), whose sum is σ = 178397147520. Its totient is φ = 85894922672.

The previous prime is 131320122313. The next prime is 131320122371. The reversal of 131320122321 is 123221023131.

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 131320122321 - 2³ = 131320122313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131320122371) 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, 412956201 + ... + 412956518.

It is an arithmetic number, because the mean of its divisors is an integer number (22299643440).

Almost surely, 2^131320122321 is an apocalyptic number.

It is an amenable number.

131320122321 is a deficient number, since it is larger than the sum of its proper divisors (47077025199).

131320122321 is an equidigital number, since it uses as much as digits as its factorization.

131320122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825912775.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131320122321 its reverse (123221023131), we get a palindrome (254541145452).

The spelling of 131320122321 in words is "one hundred thirty-one billion, three hundred twenty million, one hundred twenty-two thousand, three hundred twenty-one".