306284113 has 4 divisors (see below), whose sum is σ = 314562100. Its totient is φ = 298006128.

The previous prime is 306284107. The next prime is 306284117. The reversal of 306284113 is 311482603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311482603 = 443 ⋅703121.

It can be written as a sum of positive squares in 2 ways, for example, as 156050064 + 150234049 = 12492^2 + 12257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-306284113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306284117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4138938 + ... + 4139011.

It is an arithmetic number, because the mean of its divisors is an integer number (78640525).

Almost surely, 2^306284113 is an apocalyptic number.

It is an amenable number.

306284113 is a deficient number, since it is larger than the sum of its proper divisors (8277987).

306284113 is an equidigital number, since it uses as much as digits as its factorization.

306284113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8277986.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 306284113 is about 17500.9746300028. The cubic root of 306284113 is about 674.0749013491.

The spelling of 306284113 in words is "three hundred six million, two hundred eighty-four thousand, one hundred thirteen".