30242903 has 2 divisors, whose sum is σ = 30242904. Its totient is φ = 30242902.

The previous prime is 30242899. The next prime is 30242917. The reversal of 30242903 is 30924203.

It is a weak prime.

It is an emirp because it is prime and its reverse (30924203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30242903 - 2² = 30242899 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30242203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15121451 + 15121452.

It is an arithmetic number, because the mean of its divisors is an integer number (15121452).

Almost surely, 2^30242903 is an apocalyptic number.

30242903 is a deficient number, since it is larger than the sum of its proper divisors (1).

30242903 is an equidigital number, since it uses as much as digits as its factorization.

30242903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 30242903 is about 5499.3547803356. The cubic root of 30242903 is about 311.5596152434.

The spelling of 30242903 in words is "thirty million, two hundred forty-two thousand, nine hundred three".