321442112 has 28 divisors (see below), whose sum is σ = 665597856. Its totient is φ = 153732480.

The previous prime is 321442111. The next prime is 321442139. The reversal of 321442112 is 211244123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321442111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107714 + ... + 110657.

It is an arithmetic number, because the mean of its divisors is an integer number (23771352).

Almost surely, 2^321442112 is an apocalyptic number.

321442112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321442112 is an abundant number, since it is smaller than the sum of its proper divisors (344155744).

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

321442112 is a wasteful number, since it uses less digits than its factorization.

321442112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218406 (or 218396 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 321442112 is about 17928.8067645340. The cubic root of 321442112 is about 685.0163293743.

Adding to 321442112 its reverse (211244123), we get a palindrome (532686235).

The spelling of 321442112 in words is "three hundred twenty-one million, four hundred forty-two thousand, one hundred twelve".