218328130 has 8 divisors (see below), whose sum is σ = 392990652. Its totient is φ = 87331248.

The previous prime is 218328101. The next prime is 218328179. The reversal of 218328130 is 31823812.

218328130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 179801281 + 38526849 = 13409^2 + 6207^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10916397 + ... + 10916416.

Almost surely, 2^218328130 is an apocalyptic number.

218328130 is a deficient number, since it is larger than the sum of its proper divisors (174662522).

218328130 is a wasteful number, since it uses less digits than its factorization.

218328130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21832820.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 218328130 is about 14775.9307659450. The cubic root of 218328130 is about 602.1479770738.

The spelling of 218328130 in words is "two hundred eighteen million, three hundred twenty-eight thousand, one hundred thirty".