30575017147 has 2 divisors, whose sum is σ = 30575017148. Its totient is φ = 30575017146.

The previous prime is 30575017139. The next prime is 30575017163. The reversal of 30575017147 is 74171057503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30575017147 - 2³ = 30575017139 is a prime.

It is not a weakly prime, because it can be changed into another prime (30575017127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15287508573 + 15287508574.

It is an arithmetic number, because the mean of its divisors is an integer number (15287508574).

Almost surely, 2^30575017147 is an apocalyptic number.

30575017147 is a deficient number, since it is larger than the sum of its proper divisors (1).

30575017147 is an equidigital number, since it uses as much as digits as its factorization.

30575017147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102900, while the sum is 40.

The spelling of 30575017147 in words is "thirty billion, five hundred seventy-five million, seventeen thousand, one hundred forty-seven".