131302120321 has 8 divisors (see below), whose sum is σ = 131890518144. Its totient is φ = 130714766640.

The previous prime is 131302120289. The next prime is 131302120489. The reversal of 131302120321 is 123021203131.

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 131302120321 - 2⁵ = 131302120289 is a prime.

It is a super-3 number, since 3×131302120321³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131302120921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8425 + ... + 512518.

It is an arithmetic number, because the mean of its divisors is an integer number (16486314768).

Almost surely, 2^131302120321 is an apocalyptic number.

It is an amenable number.

131302120321 is a deficient number, since it is larger than the sum of its proper divisors (588397823).

131302120321 is an equidigital number, since it uses as much as digits as its factorization.

131302120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522071.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131302120321 its reverse (123021203131), we get a palindrome (254323323452).

The spelling of 131302120321 in words is "one hundred thirty-one billion, three hundred two million, one hundred twenty thousand, three hundred twenty-one".