324012321 has 6 divisors (see below), whose sum is σ = 468017810. Its totient is φ = 216008208.

The previous prime is 324012307. The next prime is 324012347. The reversal of 324012321 is 123210423.

324012321 is a `hidden beast` number, since 32 + 401 + 232 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 324000000 + 12321 = 18000^2 + 111^2 .

It is not a de Polignac number, because 324012321 - 2⁵ = 324012289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324012294 and 324012303.

It is not an unprimeable number, because it can be changed into a prime (324012721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18000676 + ... + 18000693.

Almost surely, 2^324012321 is an apocalyptic number.

It is an amenable number.

324012321 is a deficient number, since it is larger than the sum of its proper divisors (144005489).

324012321 is a wasteful number, since it uses less digits than its factorization.

324012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36001375 (or 36001372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 324012321 is about 18000.3422467463. The cubic root of 324012321 is about 686.8372516094.

Adding to 324012321 its reverse (123210423), we get a palindrome (447222744).

The spelling of 324012321 in words is "three hundred twenty-four million, twelve thousand, three hundred twenty-one".