321345342 has 12 divisors (see below), whose sum is σ = 696248280. Its totient is φ = 107115108.

The previous prime is 321345301. The next prime is 321345359. The reversal of 321345342 is 243543123.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8926242 + ... + 8926277.

It is an arithmetic number, because the mean of its divisors is an integer number (58020690).

Almost surely, 2^321345342 is an apocalyptic number.

321345342 is an abundant number, since it is smaller than the sum of its proper divisors (374902938).

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

321345342 is a wasteful number, since it uses less digits than its factorization.

321345342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17852527 (or 17852524 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 321345342 is about 17926.1078318747. The cubic root of 321345342 is about 684.9475811914.

Adding to 321345342 its reverse (243543123), we get a palindrome (564888465).

The spelling of 321345342 in words is "three hundred twenty-one million, three hundred forty-five thousand, three hundred forty-two".