30242119987 has 2 divisors, whose sum is σ = 30242119988. Its totient is φ = 30242119986.

The previous prime is 30242119979. The next prime is 30242120021. The reversal of 30242119987 is 78991124203.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30242119987 - 2³ = 30242119979 is a prime.

It is not a weakly prime, because it can be changed into another prime (30242111987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15121059993 + 15121059994.

It is an arithmetic number, because the mean of its divisors is an integer number (15121059994).

Almost surely, 2^30242119987 is an apocalyptic number.

30242119987 is a deficient number, since it is larger than the sum of its proper divisors (1).

30242119987 is an equidigital number, since it uses as much as digits as its factorization.

30242119987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 30242119987 in words is "thirty billion, two hundred forty-two million, one hundred nineteen thousand, nine hundred eighty-seven".