321300220232 has 64 divisors (see below), whose sum is σ = 621056473200. Its totient is φ = 155719065600.

The previous prime is 321300220187. The next prime is 321300220291. The reversal of 321300220232 is 232022003123.

It can be written as a sum of positive squares in 8 ways, for example, as 248288937796 + 73011282436 = 498286^2 + 270206^2 .

It is a super-2 number, since 2×321300220232² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 141603194 + ... + 141605462.

Almost surely, 2^321300220232 is an apocalyptic number.

It is an amenable number.

321300220232 is a deficient number, since it is larger than the sum of its proper divisors (299756252968).

321300220232 is a wasteful number, since it uses less digits than its factorization.

321300220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906 (or 3902 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 321300220232 its reverse (232022003123), we get a palindrome (553322223355).

The spelling of 321300220232 in words is "three hundred twenty-one billion, three hundred million, two hundred twenty thousand, two hundred thirty-two".