30204231 has 4 divisors (see below), whose sum is σ = 40272312. Its totient is φ = 20136152.

The previous prime is 30204217. The next prime is 30204233. The reversal of 30204231 is 13240203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30204231 - 2¹⁷ = 30073159 is a prime.

It is a super-2 number, since 2×30204231² = 1824591140602722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30204231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30204233) 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, 5034036 + ... + 5034041.

It is an arithmetic number, because the mean of its divisors is an integer number (10068078).

Almost surely, 2^30204231 is an apocalyptic number.

30204231 is a deficient number, since it is larger than the sum of its proper divisors (10068081).

30204231 is a wasteful number, since it uses less digits than its factorization.

30204231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10068080.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30204231 is about 5495.8376067711. The cubic root of 30204231 is about 311.4267601327.

Adding to 30204231 its reverse (13240203), we get a palindrome (43444434).

The spelling of 30204231 in words is "thirty million, two hundred four thousand, two hundred thirty-one".