321213100311232 has 56 divisors (see below), whose sum is σ = 643427870079456. Its totient is φ = 159091221639168.

The previous prime is 321213100311211. The next prime is 321213100311289. The reversal of 321213100311232 is 232113001312123.

It is a junction number, because it is equal to n+sod(n) for n = 321213100311197 and 321213100311206.

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 in 7 ways as a sum of consecutive naturals, for example, 873628 + ... + 25361179.

It is an arithmetic number, because the mean of its divisors is an integer number (11489783394276).

Almost surely, 2^{321213100311232} is an apocalyptic number.

321213100311232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321213100311232 is an abundant number, since it is smaller than the sum of its proper divisors (322214769768224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321213100311232 is a wasteful number, since it uses less digits than its factorization.

321213100311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26236625 (or 26236615 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 321213100311232 its reverse (232113001312123), we get a palindrome (553326101623355).

The spelling of 321213100311232 in words is "three hundred twenty-one trillion, two hundred thirteen billion, one hundred million, three hundred eleven thousand, two hundred thirty-two".