321313234 has 32 divisors (see below), whose sum is σ = 533433600. Its totient is φ = 143945040.

The previous prime is 321313207. The next prime is 321313241. The reversal of 321313234 is 432313123.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 547089 + ... + 547675.

It is an arithmetic number, because the mean of its divisors is an integer number (16669800).

Almost surely, 2^321313234 is an apocalyptic number.

321313234 is a deficient number, since it is larger than the sum of its proper divisors (212120366).

321313234 is a wasteful number, since it uses less digits than its factorization.

321313234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918.

The product of its digits is 1296, while the sum is 22.

The square root of 321313234 is about 17925.2122442107. The cubic root of 321313234 is about 684.9247676980.

Adding to 321313234 its reverse (432313123), we get a palindrome (753626357).

The spelling of 321313234 in words is "three hundred twenty-one million, three hundred thirteen thousand, two hundred thirty-four".