321322032321 has 16 divisors (see below), whose sum is σ = 434178151680. Its totient is φ = 211347288720.

The previous prime is 321322032313. The next prime is 321322032341. The reversal of 321322032321 is 123230223123.

It is not a de Polignac number, because 321322032321 - 2³ = 321322032313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321322032291 and 321322032300.

It is not an unprimeable number, because it can be changed into a prime (321322032341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689095 + ... + 1057116.

It is an arithmetic number, because the mean of its divisors is an integer number (27136134480).

Almost surely, 2^321322032321 is an apocalyptic number.

It is an amenable number.

321322032321 is a deficient number, since it is larger than the sum of its proper divisors (112856119359).

321322032321 is a wasteful number, since it uses less digits than its factorization.

321322032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747036.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 321322032321 its reverse (123230223123), we get a palindrome (444552255444).

The spelling of 321322032321 in words is "three hundred twenty-one billion, three hundred twenty-two million, thirty-two thousand, three hundred twenty-one".