30942011 has 2 divisors, whose sum is σ = 30942012. Its totient is φ = 30942010.

The previous prime is 30942001. The next prime is 30942047. The reversal of 30942011 is 11024903.

It is a weak prime.

It is an emirp because it is prime and its reverse (11024903) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30942011 - 2⁶ = 30941947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30942001) 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, 15471005 + 15471006.

It is an arithmetic number, because the mean of its divisors is an integer number (15471006).

Almost surely, 2^30942011 is an apocalyptic number.

30942011 is a deficient number, since it is larger than the sum of its proper divisors (1).

30942011 is an equidigital number, since it uses as much as digits as its factorization.

30942011 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 20.

The square root of 30942011 is about 5562.5543592849. The cubic root of 30942011 is about 313.9420660694.

Adding to 30942011 its reverse (11024903), we get a palindrome (41966914).

The spelling of 30942011 in words is "thirty million, nine hundred forty-two thousand, eleven".