213372330 has 16 divisors (see below), whose sum is σ = 512093664. Its totient is φ = 56899280.

The previous prime is 213372301. The next prime is 213372331. The reversal of 213372330 is 33273312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 213372330.

It is not an unprimeable number, because it can be changed into a prime (213372331) by changing a digit.

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, 3556176 + ... + 3556235.

It is an arithmetic number, because the mean of its divisors is an integer number (32005854).

Almost surely, 2^213372330 is an apocalyptic number.

213372330 is an abundant number, since it is smaller than the sum of its proper divisors (298721334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213372330 is a wasteful number, since it uses less digits than its factorization.

213372330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7112421.

The product of its (nonzero) digits is 2268, while the sum is 24.

The square root of 213372330 is about 14607.2697654284. The cubic root of 213372330 is about 597.5570389576.

The spelling of 213372330 in words is "two hundred thirteen million, three hundred seventy-two thousand, three hundred thirty".