324305213 has 4 divisors (see below), whose sum is σ = 324508380. Its totient is φ = 324102048.

The previous prime is 324305207. The next prime is 324305227. The reversal of 324305213 is 312503423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 298529284 + 25775929 = 17278^2 + 5077^2 .

It is a cyclic number.

It is not a de Polignac number, because 324305213 - 2⁴ = 324305197 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 (324305263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99170 + ... + 102387.

It is an arithmetic number, because the mean of its divisors is an integer number (81127095).

Almost surely, 2^324305213 is an apocalyptic number.

It is an amenable number.

324305213 is a deficient number, since it is larger than the sum of its proper divisors (203167).

324305213 is a wasteful number, since it uses less digits than its factorization.

324305213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203166.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 324305213 is about 18008.4761431943. The cubic root of 324305213 is about 687.0441455430.

Adding to 324305213 its reverse (312503423), we get a palindrome (636808636).

The spelling of 324305213 in words is "three hundred twenty-four million, three hundred five thousand, two hundred thirteen".