30304313 has 8 divisors (see below), whose sum is σ = 32803848. Its totient is φ = 27828864.

The previous prime is 30304283. The next prime is 30304327. The reversal of 30304313 is 31340303.

It can be written as a sum of positive squares in 4 ways, for example, as 15342889 + 14961424 = 3917^2 + 3868^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30304313 - 2²⁴ = 13527097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30304291 and 30304300.

It is not an unprimeable number, because it can be changed into a prime (30307313) 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 7 ways as a sum of consecutive naturals, for example, 3356 + ... + 8477.

It is an arithmetic number, because the mean of its divisors is an integer number (4100481).

Almost surely, 2^30304313 is an apocalyptic number.

It is an amenable number.

30304313 is a deficient number, since it is larger than the sum of its proper divisors (2499535).

30304313 is a wasteful number, since it uses less digits than its factorization.

30304313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12043.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 30304313 is about 5504.9353311370. The cubic root of 30304313 is about 311.7703527335.

Adding to 30304313 its reverse (31340303), we get a palindrome (61644616).

The spelling of 30304313 in words is "thirty million, three hundred four thousand, three hundred thirteen".