321311342 has 32 divisors (see below), whose sum is σ = 556028928. Its totient is φ = 137880000.

The previous prime is 321311327. The next prime is 321311371. The reversal of 321311342 is 243113123.

It is a congruent number.

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, 22217 + ... + 33707.

It is an arithmetic number, because the mean of its divisors is an integer number (17375904).

Almost surely, 2^321311342 is an apocalyptic number.

321311342 is a deficient number, since it is larger than the sum of its proper divisors (234717586).

321311342 is a wasteful number, since it uses less digits than its factorization.

321311342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11576.

The product of its digits is 432, while the sum is 20.

The square root of 321311342 is about 17925.1594693046. The cubic root of 321311342 is about 684.9234233399.

Adding to 321311342 its reverse (243113123), we get a palindrome (564424465).

The spelling of 321311342 in words is "three hundred twenty-one million, three hundred eleven thousand, three hundred forty-two".