321312211324 has 48 divisors (see below), whose sum is σ = 610497814528. Its totient is φ = 147086912448.

The previous prime is 321312211291. The next prime is 321312211331. The reversal of 321312211324 is 423112213123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36495907 + ... + 36504709.

Almost surely, 2^321312211324 is an apocalyptic number.

It is an amenable number.

321312211324 is a deficient number, since it is larger than the sum of its proper divisors (289185603204).

321312211324 is a wasteful number, since it uses less digits than its factorization.

321312211324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14474 (or 14472 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 321312211324 its reverse (423112213123), we get a palindrome (744424424447).

The spelling of 321312211324 in words is "three hundred twenty-one billion, three hundred twelve million, two hundred eleven thousand, three hundred twenty-four".