324312321 has 16 divisors (see below), whose sum is σ = 449982720. Its totient is φ = 207595920.

The previous prime is 324312283. The next prime is 324312323. The reversal of 324312321 is 123213423.

It is not a de Polignac number, because 324312321 - 2²⁵ = 290757889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (324312323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13695 + ... + 28916.

It is an arithmetic number, because the mean of its divisors is an integer number (28123920).

Almost surely, 2^324312321 is an apocalyptic number.

It is an amenable number.

324312321 is a deficient number, since it is larger than the sum of its proper divisors (125670399).

324312321 is a wasteful number, since it uses less digits than its factorization.

324312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42716.

The product of its digits is 864, while the sum is 21.

The square root of 324312321 is about 18008.6734936252. The cubic root of 324312321 is about 687.0491649650.

Adding to 324312321 its reverse (123213423), we get a palindrome (447525744).

The spelling of 324312321 in words is "three hundred twenty-four million, three hundred twelve thousand, three hundred twenty-one".