30019242257 has 2 divisors, whose sum is σ = 30019242258. Its totient is φ = 30019242256.

The previous prime is 30019242229. The next prime is 30019242269. The reversal of 30019242257 is 75224291003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24283300561 + 5735941696 = 155831^2 + 75736^2 .

It is a cyclic number.

It is not a de Polignac number, because 30019242257 - 2¹⁶ = 30019176721 is a prime.

It is not a weakly prime, because it can be changed into another prime (30019242457) 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, 15009621128 + 15009621129.

It is an arithmetic number, because the mean of its divisors is an integer number (15009621129).

Almost surely, 2^30019242257 is an apocalyptic number.

It is an amenable number.

30019242257 is a deficient number, since it is larger than the sum of its proper divisors (1).

30019242257 is an equidigital number, since it uses as much as digits as its factorization.

30019242257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 30019242257 in words is "thirty billion, nineteen million, two hundred forty-two thousand, two hundred fifty-seven".