321121032 has 64 divisors (see below), whose sum is σ = 842244480. Its totient is φ = 101832192.

The previous prime is 321120991. The next prime is 321121067. The reversal of 321121032 is 230121123.

321121032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107268 + ... + 110220.

It is an arithmetic number, because the mean of its divisors is an integer number (13160070).

Almost surely, 2^321121032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321121032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421122240).

321121032 is an abundant number, since it is smaller than the sum of its proper divisors (521123448).

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

321121032 is a wasteful number, since it uses less digits than its factorization.

321121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182 (or 3178 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 321121032 is about 17919.8502225884. The cubic root of 321121032 is about 684.7881718431.

Adding to 321121032 its reverse (230121123), we get a palindrome (551242155).

Subtracting from 321121032 its reverse (230121123), we obtain a palindrome (90999909).

The spelling of 321121032 in words is "three hundred twenty-one million, one hundred twenty-one thousand, thirty-two".