30109189 has 8 divisors (see below), whose sum is σ = 33138432. Its totient is φ = 27128640.

The previous prime is 30109147. The next prime is 30109201. The reversal of 30109189 is 98190103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30109189 - 2¹¹ = 30107141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30109189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30109789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10869 + ... + 13354.

It is an arithmetic number, because the mean of its divisors is an integer number (4142304).

Almost surely, 2^30109189 is an apocalyptic number.

It is an amenable number.

30109189 is a deficient number, since it is larger than the sum of its proper divisors (3029243).

30109189 is a wasteful number, since it uses less digits than its factorization.

30109189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24347.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 30109189 is about 5487.1840683542. The cubic root of 30109189 is about 311.0997670703.

The spelling of 30109189 in words is "thirty million, one hundred nine thousand, one hundred eighty-nine".