131312133002321 has 8 divisors (see below), whose sum is σ = 138263143252800. Its totient is φ = 124365107287440.

The previous prime is 131312133002263. The next prime is 131312133002441. The reversal of 131312133002321 is 123200331213131.

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 131312133002321 - 2¹⁰ = 131312133001297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131312133002021) 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, 996066245 + ... + 996198066.

It is an arithmetic number, because the mean of its divisors is an integer number (17282892906600).

Almost surely, 2^{131312133002321} is an apocalyptic number.

It is an amenable number.

131312133002321 is a deficient number, since it is larger than the sum of its proper divisors (6951010250479).

131312133002321 is a wasteful number, since it uses less digits than its factorization.

131312133002321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992267799.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 131312133002321 its reverse (123200331213131), we get a palindrome (254512464215452).

The spelling of 131312133002321 in words is "one hundred thirty-one trillion, three hundred twelve billion, one hundred thirty-three million, two thousand, three hundred twenty-one".