30975109 has 8 divisors (see below), whose sum is σ = 34108128. Its totient is φ = 27894960.

The previous prime is 30975101. The next prime is 30975127. The reversal of 30975109 is 90157903.

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

It is a cyclic number.

It is not a de Polignac number, because 30975109 - 2³ = 30975101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30975101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11982 + ... + 14335.

It is an arithmetic number, because the mean of its divisors is an integer number (4263516).

Almost surely, 2^30975109 is an apocalyptic number.

It is an amenable number.

30975109 is a deficient number, since it is larger than the sum of its proper divisors (3133019).

30975109 is a wasteful number, since it uses less digits than its factorization.

30975109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26435.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 30975109 is about 5565.5286361675. The cubic root of 30975109 is about 314.0539651930.

The spelling of 30975109 in words is "thirty million, nine hundred seventy-five thousand, one hundred nine".