304030013 has 16 divisors (see below), whose sum is σ = 351160320. Its totient is φ = 257840496.

The previous prime is 304029991. The next prime is 304030019. The reversal of 304030013 is 310030403.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 304030013 - 2¹⁴ = 304013629 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 304030013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304030019) 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, 330368 + ... + 331286.

It is an arithmetic number, because the mean of its divisors is an integer number (21947520).

Almost surely, 2^304030013 is an apocalyptic number.

It is an amenable number.

304030013 is a deficient number, since it is larger than the sum of its proper divisors (47130307).

304030013 is a wasteful number, since it uses less digits than its factorization.

304030013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 304030013 is about 17436.4564347232. The cubic root of 304030013 is about 672.4172084755.

Adding to 304030013 its reverse (310030403), we get a palindrome (614060416).

The spelling of 304030013 in words is "three hundred four million, thirty thousand, thirteen".