324320013 has 6 divisors (see below), whose sum is σ = 468462254. Its totient is φ = 216213336.

The previous prime is 324320011. The next prime is 324320023. The reversal of 324320013 is 310023423.

It can be written as a sum of positive squares in only one way, i.e., 308423844 + 15896169 = 17562^2 + 3987^2 .

It is not a de Polignac number, because 324320013 - 2¹ = 324320011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324320011) 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, 18017770 + ... + 18017787.

Almost surely, 2^324320013 is an apocalyptic number.

It is an amenable number.

324320013 is a deficient number, since it is larger than the sum of its proper divisors (144142241).

324320013 is a wasteful number, since it uses less digits than its factorization.

324320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36035563 (or 36035560 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 324320013 is about 18008.8870561176. The cubic root of 324320013 is about 687.0545967047.

Adding to 324320013 its reverse (310023423), we get a palindrome (634343436).

The spelling of 324320013 in words is "three hundred twenty-four million, three hundred twenty thousand, thirteen".