213330308 has 24 divisors (see below), whose sum is σ = 385073304. Its totient is φ = 103334400.

The previous prime is 213330307. The next prime is 213330317. The reversal of 213330308 is 803033312.

It can be written as a sum of positive squares in 4 ways, for example, as 39037504 + 174292804 = 6248^2 + 13202^2 .

It is a super-2 number, since 2×213330308² = 91019640622749728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213330307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32678 + ... + 38658.

It is an arithmetic number, because the mean of its divisors is an integer number (16044721).

Almost surely, 2^213330308 is an apocalyptic number.

It is an amenable number.

213330308 is a deficient number, since it is larger than the sum of its proper divisors (171742996).

213330308 is a wasteful number, since it uses less digits than its factorization.

213330308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263 (or 6261 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 213330308 is about 14605.8313012303. The cubic root of 213330308 is about 597.5178083311.

The spelling of 213330308 in words is "two hundred thirteen million, three hundred thirty thousand, three hundred eight".