321130200321 has 16 divisors (see below), whose sum is σ = 543712508800. Its totient is φ = 183502971504.

The previous prime is 321130200317. The next prime is 321130200323. The reversal of 321130200321 is 123002031123.

321130200321 is a `hidden beast` number, since 32 + 11 + 302 + 0 + 0 + 321 = 666.

It is not a de Polignac number, because 321130200321 - 2² = 321130200317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321130200294 and 321130200303.

It is not an unprimeable number, because it can be changed into a prime (321130200323) 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 15 ways as a sum of consecutive naturals, for example, 849550606 + ... + 849550983.

It is an arithmetic number, because the mean of its divisors is an integer number (33982031800).

Almost surely, 2^321130200321 is an apocalyptic number.

It is an amenable number.

321130200321 is a deficient number, since it is larger than the sum of its proper divisors (222582308479).

321130200321 is a wasteful number, since it uses less digits than its factorization.

321130200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699101605 (or 1699101599 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 321130200321 its reverse (123002031123), we get a palindrome (444132231444).

The spelling of 321130200321 in words is "three hundred twenty-one billion, one hundred thirty million, two hundred thousand, three hundred twenty-one".