30132309 has 12 divisors (see below), whose sum is σ = 42403776. Its totient is φ = 19030248.

The previous prime is 30132269. The next prime is 30132359. The reversal of 30132309 is 90323103.

It is not a de Polignac number, because 30132309 - 2¹³ = 30124117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30132359) 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 11 ways as a sum of consecutive naturals, for example, 12829 + ... + 14994.

It is an arithmetic number, because the mean of its divisors is an integer number (3533648).

Almost surely, 2^30132309 is an apocalyptic number.

It is an amenable number.

30132309 is a deficient number, since it is larger than the sum of its proper divisors (12271467).

30132309 is a wasteful number, since it uses less digits than its factorization.

30132309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27864 (or 27845 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 30132309 is about 5489.2903912983. The cubic root of 30132309 is about 311.1793749534.

The spelling of 30132309 in words is "thirty million, one hundred thirty-two thousand, three hundred nine".