30630313 has 4 divisors (see below), whose sum is σ = 35006080. Its totient is φ = 26254548.

The previous prime is 30630307. The next prime is 30630361. The reversal of 30630313 is 31303603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30630313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30630013) 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 3 ways as a sum of consecutive naturals, for example, 2187873 + ... + 2187886.

It is an arithmetic number, because the mean of its divisors is an integer number (8751520).

Almost surely, 2^30630313 is an apocalyptic number.

It is an amenable number.

30630313 is a deficient number, since it is larger than the sum of its proper divisors (4375767).

30630313 is an equidigital number, since it uses as much as digits as its factorization.

30630313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375766.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 30630313 is about 5534.4659182255. The cubic root of 30630313 is about 312.8843288452.

Adding to 30630313 its reverse (31303603), we get a palindrome (61933916).

The spelling of 30630313 in words is "thirty million, six hundred thirty thousand, three hundred thirteen".