30030173171 has 2 divisors, whose sum is σ = 30030173172. Its totient is φ = 30030173170.

The previous prime is 30030173161. The next prime is 30030173183. The reversal of 30030173171 is 17137103003.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30030173171 is a prime.

It is a super-2 number, since 2×30030173171² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30030173171.

It is not a weakly prime, because it can be changed into another prime (30030173101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015086585 + 15015086586.

It is an arithmetic number, because the mean of its divisors is an integer number (15015086586).

Almost surely, 2^30030173171 is an apocalyptic number.

30030173171 is a deficient number, since it is larger than the sum of its proper divisors (1).

30030173171 is an equidigital number, since it uses as much as digits as its factorization.

30030173171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323, while the sum is 26.

Adding to 30030173171 its reverse (17137103003), we get a palindrome (47167276174).

The spelling of 30030173171 in words is "thirty billion, thirty million, one hundred seventy-three thousand, one hundred seventy-one".