213304306 has 8 divisors (see below), whose sum is σ = 324463104. Its totient is φ = 105149940.

The previous prime is 213304271. The next prime is 213304307. The reversal of 213304306 is 603403312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (213304307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750930 + ... + 751213.

It is an arithmetic number, because the mean of its divisors is an integer number (40557888).

Almost surely, 2^213304306 is an apocalyptic number.

213304306 is a deficient number, since it is larger than the sum of its proper divisors (111158798).

213304306 is a wasteful number, since it uses less digits than its factorization.

213304306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502216.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 213304306 is about 14604.9411501724. The cubic root of 213304306 is about 597.4935309723.

Adding to 213304306 its reverse (603403312), we get a palindrome (816707618).

The spelling of 213304306 in words is "two hundred thirteen million, three hundred four thousand, three hundred six".