30115020017 has 2 divisors, whose sum is σ = 30115020018. Its totient is φ = 30115020016.

The previous prime is 30115019999. The next prime is 30115020049. The reversal of 30115020017 is 71002051103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29571617296 + 543402721 = 171964^2 + 23311^2 .

It is an emirp because it is prime and its reverse (71002051103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30115020017 - 2¹⁰ = 30115018993 is a prime.

It is not a weakly prime, because it can be changed into another prime (30115022017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15057510008 + 15057510009.

It is an arithmetic number, because the mean of its divisors is an integer number (15057510009).

Almost surely, 2^30115020017 is an apocalyptic number.

It is an amenable number.

30115020017 is a deficient number, since it is larger than the sum of its proper divisors (1).

30115020017 is an equidigital number, since it uses as much as digits as its factorization.

30115020017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 20.

The spelling of 30115020017 in words is "thirty billion, one hundred fifteen million, twenty thousand, seventeen".