321213112330 has 16 divisors (see below), whose sum is σ = 630745748064. Its totient is φ = 116804768080.

The previous prime is 321213112327. The next prime is 321213112343. The reversal of 321213112330 is 33211312123.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460059492 + ... + 1460059711.

It is an arithmetic number, because the mean of its divisors is an integer number (39421609254).

Almost surely, 2^321213112330 is an apocalyptic number.

321213112330 is a deficient number, since it is larger than the sum of its proper divisors (309532635734).

321213112330 is a wasteful number, since it uses less digits than its factorization.

321213112330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920119221.

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

Adding to 321213112330 its reverse (33211312123), we get a palindrome (354424424453).

The spelling of 321213112330 in words is "three hundred twenty-one billion, two hundred thirteen million, one hundred twelve thousand, three hundred thirty".