30204133 has 2 divisors, whose sum is σ = 30204134. Its totient is φ = 30204132.

The previous prime is 30204107. The next prime is 30204143. The reversal of 30204133 is 33140203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23059204 + 7144929 = 4802^2 + 2673^2 .

It is an emirp because it is prime and its reverse (33140203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30204133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30204143) 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 as a sum of consecutive naturals, namely, 15102066 + 15102067.

It is an arithmetic number, because the mean of its divisors is an integer number (15102067).

Almost surely, 2^30204133 is an apocalyptic number.

It is an amenable number.

30204133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30204133 is an equidigital number, since it uses as much as digits as its factorization.

30204133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30204133 is about 5495.8286909255. The cubic root of 30204133 is about 311.4264233162.

Adding to 30204133 its reverse (33140203), we get a palindrome (63344336).

The spelling of 30204133 in words is "thirty million, two hundred four thousand, one hundred thirty-three".