30301305 has 16 divisors (see below), whose sum is σ = 48834240. Its totient is φ = 16043328.

The previous prime is 30301303. The next prime is 30301331. The reversal of 30301305 is 50310303.

It is not a de Polignac number, because 30301305 - 2¹ = 30301303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30301301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5182 + ... + 9351.

It is an arithmetic number, because the mean of its divisors is an integer number (3052140).

Almost surely, 2^30301305 is an apocalyptic number.

It is an amenable number.

30301305 is a deficient number, since it is larger than the sum of its proper divisors (18532935).

30301305 is a wasteful number, since it uses less digits than its factorization.

30301305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14680.

The product of its (nonzero) digits is 135, while the sum is 15.

The square root of 30301305 is about 5504.6621149713. The cubic root of 30301305 is about 311.7600369714.

Adding to 30301305 its reverse (50310303), we get a palindrome (80611608).

The spelling of 30301305 in words is "thirty million, three hundred one thousand, three hundred five".