30230185 has 8 divisors (see below), whose sum is σ = 36684360. Its totient is φ = 23912064.

The previous prime is 30230183. The next prime is 30230203. The reversal of 30230185 is 58103203.

It can be written as a sum of positive squares in 4 ways, for example, as 4717584 + 25512601 = 2172^2 + 5051^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30230185 - 2¹ = 30230183 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 33522 + ... + 34411.

It is an arithmetic number, because the mean of its divisors is an integer number (4585545).

Almost surely, 2^30230185 is an apocalyptic number.

It is an amenable number.

30230185 is a deficient number, since it is larger than the sum of its proper divisors (6454175).

30230185 is an equidigital number, since it uses as much as digits as its factorization.

30230185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68027.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 30230185 is about 5498.1983412751. The cubic root of 30230185 is about 311.5159358965.

Adding to 30230185 its reverse (58103203), we get a palindrome (88333388).

The spelling of 30230185 in words is "thirty million, two hundred thirty thousand, one hundred eighty-five".