321413306432 has 56 divisors (see below), whose sum is σ = 669382716096. Its totient is φ = 152830734848.

The previous prime is 321413306429. The next prime is 321413306449. The reversal of 321413306432 is 234603314123.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376418 + ... + 885729.

Almost surely, 2^321413306432 is an apocalyptic number.

321413306432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321413306432 is an abundant number, since it is smaller than the sum of its proper divisors (347969409664).

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

321413306432 is a wasteful number, since it uses less digits than its factorization.

321413306432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262355 (or 1262345 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

The spelling of 321413306432 in words is "three hundred twenty-one billion, four hundred thirteen million, three hundred six thousand, four hundred thirty-two".