30323728171 has 16 divisors (see below), whose sum is σ = 34482412800. Its totient is φ = 26413223200.

The previous prime is 30323728159. The next prime is 30323728199. The reversal of 30323728171 is 17182732303.

It is not a de Polignac number, because 30323728171 - 2²³ = 30315339563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30323728171.

It is not an unprimeable number, because it can be changed into a prime (30323728111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321031 + ... + 404608.

It is an arithmetic number, because the mean of its divisors is an integer number (2155150800).

Almost surely, 2^30323728171 is an apocalyptic number.

30323728171 is a deficient number, since it is larger than the sum of its proper divisors (4158684629).

30323728171 is a wasteful number, since it uses less digits than its factorization.

30323728171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725810.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 30323728171 in words is "thirty billion, three hundred twenty-three million, seven hundred twenty-eight thousand, one hundred seventy-one".