321142221034032 has 80 divisors (see below), whose sum is σ = 837888361569792. Its totient is φ = 105980330745600.

The previous prime is 321142221033979. The next prime is 321142221034043. The reversal of 321142221034032 is 230430122241123.

It is a happy number.

It is a super-2 number, since 2×321142221034032² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69347503 + ... + 73833329.

Almost surely, 2^{321142221034032} is an apocalyptic number.

It is an amenable number.

321142221034032 is an abundant number, since it is smaller than the sum of its proper divisors (516746140535760).

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

321142221034032 is a wasteful number, since it uses less digits than its factorization.

321142221034032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500706 (or 4500700 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 321142221034032 its reverse (230430122241123), we get a palindrome (551572343275155).

The spelling of 321142221034032 in words is "three hundred twenty-one trillion, one hundred forty-two billion, two hundred twenty-one million, thirty-four thousand, thirty-two".