30135309 has 4 divisors (see below), whose sum is σ = 40180416. Its totient is φ = 20090204.

The previous prime is 30135307. The next prime is 30135331. The reversal of 30135309 is 90353103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90353103 = 3 ⋅30117701.

It is a cyclic number.

It is not a de Polignac number, because 30135309 - 2¹ = 30135307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30135307) 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 3 ways as a sum of consecutive naturals, for example, 5022549 + ... + 5022554.

It is an arithmetic number, because the mean of its divisors is an integer number (10045104).

Almost surely, 2^30135309 is an apocalyptic number.

It is an amenable number.

30135309 is a deficient number, since it is larger than the sum of its proper divisors (10045107).

30135309 is a wasteful number, since it uses less digits than its factorization.

30135309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10045106.

The product of its (nonzero) digits is 1215, while the sum is 24.

The square root of 30135309 is about 5489.5636438610. The cubic root of 30135309 is about 311.1897017109.

The spelling of 30135309 in words is "thirty million, one hundred thirty-five thousand, three hundred nine".