304140103 has 4 divisors (see below), whose sum is σ = 309295080. Its totient is φ = 298985128.

The previous prime is 304140071. The next prime is 304140131. The reversal of 304140103 is 301041403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 304140103 - 2⁵ = 304140071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304140143) 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, 2577400 + ... + 2577517.

It is an arithmetic number, because the mean of its divisors is an integer number (77323770).

Almost surely, 2^304140103 is an apocalyptic number.

304140103 is a deficient number, since it is larger than the sum of its proper divisors (5154977).

304140103 is an equidigital number, since it uses as much as digits as its factorization.

304140103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5154976.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 304140103 is about 17439.6130404318. The cubic root of 304140103 is about 672.4983599781.

Adding to 304140103 its reverse (301041403), we get a palindrome (605181506).

The spelling of 304140103 in words is "three hundred four million, one hundred forty thousand, one hundred three".