323031221332 has 24 divisors (see below), whose sum is σ = 595114128000. Its totient is φ = 153000230976.

The previous prime is 323031221327. The next prime is 323031221377. The reversal of 323031221332 is 233122130323.

It is a junction number, because it is equal to n+sod(n) for n = 323031221297 and 323031221306.

It is a congruent number.

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, 623928 + ... + 1017520.

It is an arithmetic number, because the mean of its divisors is an integer number (24796422000).

Almost surely, 2^323031221332 is an apocalyptic number.

It is an amenable number.

323031221332 is a deficient number, since it is larger than the sum of its proper divisors (272082906668).

323031221332 is a wasteful number, since it uses less digits than its factorization.

323031221332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404415 (or 404413 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 323031221332 its reverse (233122130323), we get a palindrome (556153351655).

The spelling of 323031221332 in words is "three hundred twenty-three billion, thirty-one million, two hundred twenty-one thousand, three hundred thirty-two".