213210304 has 28 divisors (see below), whose sum is σ = 423670984. Its totient is φ = 106458624.

The previous prime is 213210289. The next prime is 213210313. The reversal of 213210304 is 403012312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56212 + ... + 59884.

Almost surely, 2^213210304 is an apocalyptic number.

It is an amenable number.

213210304 is a deficient number, since it is larger than the sum of its proper divisors (210460680).

213210304 is an equidigital number, since it uses as much as digits as its factorization.

213210304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592 (or 4582 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 213210304 is about 14601.7226380999. The cubic root of 213210304 is about 597.4057474036.

Adding to 213210304 its reverse (403012312), we get a palindrome (616222616).

The spelling of 213210304 in words is "two hundred thirteen million, two hundred ten thousand, three hundred four".