321343242 has 32 divisors (see below), whose sum is σ = 712615104. Its totient is φ = 95779200.

The previous prime is 321343207. The next prime is 321343279. The reversal of 321343242 is 242343123.

It is a super-2 number, since 2×321343242² = 206522958358141128, which 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, 35883 + ... + 43934.

It is an arithmetic number, because the mean of its divisors is an integer number (22269222).

Almost surely, 2^321343242 is an apocalyptic number.

321343242 is an abundant number, since it is smaller than the sum of its proper divisors (391271862).

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

321343242 is a wasteful number, since it uses less digits than its factorization.

321343242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79894.

The product of its digits is 3456, while the sum is 24.

The square root of 321343242 is about 17926.0492579932. The cubic root of 321343242 is about 684.9460891381.

Adding to 321343242 its reverse (242343123), we get a palindrome (563686365).

The spelling of 321343242 in words is "three hundred twenty-one million, three hundred forty-three thousand, two hundred forty-two".