30242031979 has 2 divisors, whose sum is σ = 30242031980. Its totient is φ = 30242031978.

The previous prime is 30242031961. The next prime is 30242032049. The reversal of 30242031979 is 97913024203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30242031979 - 2⁵ = 30242031947 is a prime.

It is not a weakly prime, because it can be changed into another prime (30242031179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15121015989 + 15121015990.

It is an arithmetic number, because the mean of its divisors is an integer number (15121015990).

Almost surely, 2^30242031979 is an apocalyptic number.

30242031979 is a deficient number, since it is larger than the sum of its proper divisors (1).

30242031979 is an equidigital number, since it uses as much as digits as its factorization.

30242031979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 30242031979 in words is "thirty billion, two hundred forty-two million, thirty-one thousand, nine hundred seventy-nine".