30909119 has 2 divisors, whose sum is σ = 30909120. Its totient is φ = 30909118.

The previous prime is 30909113. The next prime is 30909161. The reversal of 30909119 is 91190903.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30909119 - 2¹⁶ = 30843583 is a prime.

It is a super-2 number, since 2×30909119² = 1910747274712322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30909113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15454559 + 15454560.

It is an arithmetic number, because the mean of its divisors is an integer number (15454560).

Almost surely, 2^30909119 is an apocalyptic number.

30909119 is a deficient number, since it is larger than the sum of its proper divisors (1).

30909119 is an equidigital number, since it uses as much as digits as its factorization.

30909119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 30909119 is about 5559.5970177703. The cubic root of 30909119 is about 313.8307843174.

The spelling of 30909119 in words is "thirty million, nine hundred nine thousand, one hundred nineteen".