30303230 has 16 divisors (see below), whose sum is σ = 54767664. Its totient is φ = 12072000.

The previous prime is 30303211. The next prime is 30303239. The reversal of 30303230 is 3230303.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303239) 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, 3527 + ... + 8546.

It is an arithmetic number, because the mean of its divisors is an integer number (3422979).

Almost surely, 2^30303230 is an apocalyptic number.

30303230 is a deficient number, since it is larger than the sum of its proper divisors (24464434).

30303230 is a wasteful number, since it uses less digits than its factorization.

30303230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12331.

The product of its (nonzero) digits is 162, while the sum is 14.

The square root of 30303230 is about 5504.8369639800. The cubic root of 30303230 is about 311.7666387262.

Adding to 30303230 its reverse (3230303), we get a palindrome (33533533).

The spelling of 30303230 in words is "thirty million, three hundred three thousand, two hundred thirty".