321214424320432 has 20 divisors (see below), whose sum is σ = 658961944010856. Its totient is φ = 151159729091840.

The previous prime is 321214424320393. The next prime is 321214424320459. The reversal of 321214424320432 is 234023424412123.

It is a junction number, because it is equal to n+sod(n) for n = 321214424320391 and 321214424320400.

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 3 ways as a sum of consecutive naturals, for example, 590467691494 + ... + 590467692037.

Almost surely, 2^{321214424320432} is an apocalyptic number.

It is an amenable number.

321214424320432 is an abundant number, since it is smaller than the sum of its proper divisors (337747519690424).

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

321214424320432 is a wasteful number, since it uses less digits than its factorization.

321214424320432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180935383556 (or 1180935383550 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 321214424320432 its reverse (234023424412123), we get a palindrome (555237848732555).

The spelling of 321214424320432 in words is "three hundred twenty-one trillion, two hundred fourteen billion, four hundred twenty-four million, three hundred twenty thousand, four hundred thirty-two".