302030305 has 16 divisors (see below), whose sum is σ = 374808384. Its totient is φ = 233513280.

The previous prime is 302030221. The next prime is 302030317. The reversal of 302030305 is 503030203.

It is not a de Polignac number, because 302030305 - 2¹⁷ = 301899233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9250 + ... + 26260.

It is an arithmetic number, because the mean of its divisors is an integer number (23425524).

Almost surely, 2^302030305 is an apocalyptic number.

It is an amenable number.

302030305 is a deficient number, since it is larger than the sum of its proper divisors (72778079).

302030305 is a wasteful number, since it uses less digits than its factorization.

302030305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17136.

The product of its (nonzero) digits is 270, while the sum is 16.

The square root of 302030305 is about 17379.0191035052. The cubic root of 302030305 is about 670.9397261223.

Adding to 302030305 its reverse (503030203), we get a palindrome (805060508).

The spelling of 302030305 in words is "three hundred two million, thirty thousand, three hundred five".