30230188 has 12 divisors (see below), whose sum is σ = 55203120. Its totient is φ = 14457872.

The previous prime is 30230183. The next prime is 30230203. The reversal of 30230188 is 88103203.

It is not an unprimeable number, because it can be changed into a prime (30230183) 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 3 ways as a sum of consecutive naturals, for example, 164203 + ... + 164386.

It is an arithmetic number, because the mean of its divisors is an integer number (4600260).

Almost surely, 2^30230188 is an apocalyptic number.

It is an amenable number.

30230188 is a deficient number, since it is larger than the sum of its proper divisors (24972932).

30230188 is a wasteful number, since it uses less digits than its factorization.

30230188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328616 (or 328614 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 30230188 is about 5498.1986140917. The cubic root of 30230188 is about 311.5159462013.

The spelling of 30230188 in words is "thirty million, two hundred thirty thousand, one hundred eighty-eight".