213313204 has 24 divisors (see below), whose sum is σ = 402413480. Its totient is φ = 98354304.

The previous prime is 213313187. The next prime is 213313211. The reversal of 213313204 is 402313312.

It can be written as a sum of positive squares in 4 ways, for example, as 26936100 + 186377104 = 5190^2 + 13652^2 .

It is a congruent number.

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, 91882 + ... + 94174.

Almost surely, 2^213313204 is an apocalyptic number.

It is an amenable number.

213313204 is a deficient number, since it is larger than the sum of its proper divisors (189100276).

213313204 is a wasteful number, since it uses less digits than its factorization.

213313204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099 (or 4097 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 213313204 is about 14605.2457699280. The cubic root of 213313204 is about 597.5018390144.

Adding to 213313204 its reverse (402313312), we get a palindrome (615626516).

The spelling of 213313204 in words is "two hundred thirteen million, three hundred thirteen thousand, two hundred four".