30340043 has 2 divisors, whose sum is σ = 30340044. Its totient is φ = 30340042.

The previous prime is 30340039. The next prime is 30340067. The reversal of 30340043 is 34004303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30340043 - 2² = 30340039 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30340033) 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 as a sum of consecutive naturals, namely, 15170021 + 15170022.

It is an arithmetic number, because the mean of its divisors is an integer number (15170022).

Almost surely, 2^30340043 is an apocalyptic number.

30340043 is a deficient number, since it is larger than the sum of its proper divisors (1).

30340043 is an equidigital number, since it uses as much as digits as its factorization.

30340043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 30340043 is about 5508.1796448555. The cubic root of 30340043 is about 311.8928345243.

Adding to 30340043 its reverse (34004303), we get a palindrome (64344346).

The spelling of 30340043 in words is "thirty million, three hundred forty thousand, forty-three".