30648030185 has 32 divisors (see below), whose sum is σ = 40304563200. Its totient is φ = 22272122880.

The previous prime is 30648030167. The next prime is 30648030209. The reversal of 30648030185 is 58103084603.

It is a de Polignac number, because none of the positive numbers 2^k-30648030185 is a prime.

It is a super-2 number, since 2×30648030185² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 983321 + ... + 1014009.

It is an arithmetic number, because the mean of its divisors is an integer number (1259517600).

Almost surely, 2^30648030185 is an apocalyptic number.

It is an amenable number.

30648030185 is a deficient number, since it is larger than the sum of its proper divisors (9656533015).

30648030185 is a wasteful number, since it uses less digits than its factorization.

30648030185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31121.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 30648030185 in words is "thirty billion, six hundred forty-eight million, thirty thousand, one hundred eighty-five".