30204143 has 2 divisors, whose sum is σ = 30204144. Its totient is φ = 30204142.

The previous prime is 30204133. The next prime is 30204191. The reversal of 30204143 is 34140203.

It is a weak prime.

It is an emirp because it is prime and its reverse (34140203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30204143 - 2⁶ = 30204079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30204133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15102071 + 15102072.

It is an arithmetic number, because the mean of its divisors is an integer number (15102072).

Almost surely, 2^30204143 is an apocalyptic number.

30204143 is a deficient number, since it is larger than the sum of its proper divisors (1).

30204143 is an equidigital number, since it uses as much as digits as its factorization.

30204143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30204143 is about 5495.8296007063. The cubic root of 30204143 is about 311.4264576852.

Adding to 30204143 its reverse (34140203), we get a palindrome (64344346).

The spelling of 30204143 in words is "thirty million, two hundred four thousand, one hundred forty-three".