321213313332 has 36 divisors (see below), whose sum is σ = 822233805120. Its totient is φ = 105715773072.

The previous prime is 321213313327. The next prime is 321213313363. The reversal of 321213313332 is 233313312123.

321213313332 is a `hidden beast` number, since 3 + 2 + 1 + 2 + 13 + 313 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 321213313296 and 321213313305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56469258 + ... + 56474945.

It is an arithmetic number, because the mean of its divisors is an integer number (22839827920).

Almost surely, 2^321213313332 is an apocalyptic number.

It is an amenable number.

321213313332 is an abundant number, since it is smaller than the sum of its proper divisors (501020491788).

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

321213313332 is a wasteful number, since it uses less digits than its factorization.

321213313332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112944292 (or 112944287 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 321213313332 its reverse (233313312123), we get a palindrome (554526625455).

The spelling of 321213313332 in words is "three hundred twenty-one billion, two hundred thirteen million, three hundred thirteen thousand, three hundred thirty-two".