321213331201 has 8 divisors (see below), whose sum is σ = 367114006080. Its totient is φ = 275315920368.

The previous prime is 321213331189. The next prime is 321213331261. The reversal of 321213331201 is 102133312123.

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 321213331201 - 2⁵ = 321213331169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321213331261) 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, 601366 + ... + 1002031.

It is an arithmetic number, because the mean of its divisors is an integer number (45889250760).

Almost surely, 2^321213331201 is an apocalyptic number.

It is an amenable number.

321213331201 is a deficient number, since it is larger than the sum of its proper divisors (45900674879).

321213331201 is a wasteful number, since it uses less digits than its factorization.

321213331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632023.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 321213331201 its reverse (102133312123), we get a palindrome (423346643324).

The spelling of 321213331201 in words is "three hundred twenty-one billion, two hundred thirteen million, three hundred thirty-one thousand, two hundred one".