213304310 has 16 divisors (see below), whose sum is σ = 384122736. Its totient is φ = 85282848.

The previous prime is 213304307. The next prime is 213304361. The reversal of 213304310 is 13403312.

It is a happy number.

It is a super-2 number, since 2×213304310² = 90997457329152200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30284 + ... + 36656.

It is an arithmetic number, because the mean of its divisors is an integer number (24007671).

Almost surely, 2^213304310 is an apocalyptic number.

213304310 is a deficient number, since it is larger than the sum of its proper divisors (170818426).

213304310 is a wasteful number, since it uses less digits than its factorization.

213304310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9727.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213304310 is about 14604.9412871124. The cubic root of 213304310 is about 597.4935347071.

Adding to 213304310 its reverse (13403312), we get a palindrome (226707622).

The spelling of 213304310 in words is "two hundred thirteen million, three hundred four thousand, three hundred ten".