321130023201 has 16 divisors (see below), whose sum is σ = 512344197120. Its totient is φ = 197618475600.

The previous prime is 321130023197. The next prime is 321130023241. The reversal of 321130023201 is 102320031123.

321130023201 is a `hidden beast` number, since 32 + 11 + 300 + 2 + 320 + 1 = 666.

It is not a de Polignac number, because 321130023201 - 2² = 321130023197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321130023241) 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 15 ways as a sum of consecutive naturals, for example, 457449825 + ... + 457450526.

It is an arithmetic number, because the mean of its divisors is an integer number (32021512320).

Almost surely, 2^321130023201 is an apocalyptic number.

It is an amenable number.

321130023201 is a deficient number, since it is larger than the sum of its proper divisors (191214173919).

321130023201 is a wasteful number, since it uses less digits than its factorization.

321130023201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914900373 (or 914900367 counting only the distinct ones).

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

Adding to 321130023201 its reverse (102320031123), we get a palindrome (423450054324).

The spelling of 321130023201 in words is "three hundred twenty-one billion, one hundred thirty million, twenty-three thousand, two hundred one".