30504313 has 12 divisors (see below), whose sum is σ = 35601060. Its totient is φ = 26060832.

The previous prime is 30504301. The next prime is 30504319. The reversal of 30504313 is 31340503.

It can be written as a sum of positive squares in 2 ways, for example, as 16426809 + 14077504 = 4053^2 + 3752^2 .

It is not a de Polignac number, because 30504313 - 2²¹ = 28407161 is a prime.

It is a super-2 number, since 2×30504313² = 1861026223203938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30504319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17443 + ... + 19111.

It is an arithmetic number, because the mean of its divisors is an integer number (2966755).

Almost surely, 2^30504313 is an apocalyptic number.

It is an amenable number.

30504313 is a deficient number, since it is larger than the sum of its proper divisors (5096747).

30504313 is a wasteful number, since it uses less digits than its factorization.

30504313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 30504313 is about 5523.0709754628. The cubic root of 30504313 is about 312.4547151447.

Adding to 30504313 its reverse (31340503), we get a palindrome (61844816).

The spelling of 30504313 in words is "thirty million, five hundred four thousand, three hundred thirteen".