213315324 has 12 divisors (see below), whose sum is σ = 497735784. Its totient is φ = 71105104.

The previous prime is 213315313. The next prime is 213315331. The reversal of 213315324 is 423513312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 213315294 and 213315303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8888127 + ... + 8888150.

It is an arithmetic number, because the mean of its divisors is an integer number (41477982).

Almost surely, 2^213315324 is an apocalyptic number.

It is an amenable number.

213315324 is an abundant number, since it is smaller than the sum of its proper divisors (284420460).

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

213315324 is a wasteful number, since it uses less digits than its factorization.

213315324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17776284 (or 17776282 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 213315324 is about 14605.3183464107. The cubic root of 213315324 is about 597.5038184195.

Adding to 213315324 its reverse (423513312), we get a palindrome (636828636).

The spelling of 213315324 in words is "two hundred thirteen million, three hundred fifteen thousand, three hundred twenty-four".