321032321312 has 12 divisors (see below), whose sum is σ = 632032382646. Its totient is φ = 160516160640.

The previous prime is 321032321249. The next prime is 321032321347. The reversal of 321032321312 is 213123230123.

It can be written as a sum of positive squares in only one way, i.e., 304037548816 + 16994772496 = 551396^2 + 130364^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5016129989 + ... + 5016130052.

Almost surely, 2^321032321312 is an apocalyptic number.

321032321312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321032321312 is a deficient number, since it is larger than the sum of its proper divisors (311000061334).

321032321312 is a wasteful number, since it uses less digits than its factorization.

321032321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10032260051 (or 10032260043 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 321032321312 its reverse (213123230123), we get a palindrome (534155551435).

The spelling of 321032321312 in words is "three hundred twenty-one billion, thirty-two million, three hundred twenty-one thousand, three hundred twelve".