30242203987 has 2 divisors, whose sum is σ = 30242203988. Its totient is φ = 30242203986.

The previous prime is 30242203973. The next prime is 30242204033. The reversal of 30242203987 is 78930224203.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30242203987 is a prime.

It is not a weakly prime, because it can be changed into another prime (30242293987) 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, 15121101993 + 15121101994.

It is an arithmetic number, because the mean of its divisors is an integer number (15121101994).

Almost surely, 2^30242203987 is an apocalyptic number.

30242203987 is a deficient number, since it is larger than the sum of its proper divisors (1).

30242203987 is an equidigital number, since it uses as much as digits as its factorization.

30242203987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 30242203987 in words is "thirty billion, two hundred forty-two million, two hundred three thousand, nine hundred eighty-seven".