324243213 has 32 divisors (see below), whose sum is σ = 516827136. Its totient is φ = 176793408.

The previous prime is 324243149. The next prime is 324243223. The reversal of 324243213 is 312342423.

It is not a de Polignac number, because 324243213 - 2⁶ = 324243149 is a prime.

It is a super-2 number, since 2×324243213² = 210267322353126738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324243223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379695 + ... + 380547.

It is an arithmetic number, because the mean of its divisors is an integer number (16150848).

Almost surely, 2^324243213 is an apocalyptic number.

It is an amenable number.

324243213 is a deficient number, since it is larger than the sum of its proper divisors (192583923).

324243213 is a wasteful number, since it uses less digits than its factorization.

324243213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673.

The product of its digits is 3456, while the sum is 24.

The square root of 324243213 is about 18006.7546492976. The cubic root of 324243213 is about 687.0003601930. Note that the first 3 decimals are identical.

Adding to 324243213 its reverse (312342423), we get a palindrome (636585636).

The spelling of 324243213 in words is "three hundred twenty-four million, two hundred forty-three thousand, two hundred thirteen".