213333324 has 24 divisors (see below), whose sum is σ = 499544640. Its totient is φ = 70858704.

The previous prime is 213333319. The next prime is 213333331. The reversal of 213333324 is 423333312.

It is a happy number.

It is a super-2 number, since 2×213333324² = 91022214257777952, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 213333294 and 213333303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28014 + ... + 34805.

It is an arithmetic number, because the mean of its divisors is an integer number (20814360).

Almost surely, 2^213333324 is an apocalyptic number.

It is an amenable number.

213333324 is an abundant number, since it is smaller than the sum of its proper divisors (286211316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213333324 is a wasteful number, since it uses less digits than its factorization.

213333324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63109 (or 63107 counting only the distinct ones).

The product of its digits is 3888, while the sum is 24.

The square root of 213333324 is about 14605.9345472996. The cubic root of 213333324 is about 597.5206241604.

Adding to 213333324 its reverse (423333312), we get a palindrome (636666636).

The spelling of 213333324 in words is "two hundred thirteen million, three hundred thirty-three thousand, three hundred twenty-four".