304312122203 has 4 divisors (see below), whose sum is σ = 311734369128. Its totient is φ = 296889875280.

The previous prime is 304312122199. The next prime is 304312122269. The reversal of 304312122203 is 302221213403.

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 304312122203 - 2² = 304312122199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304312122293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3711123401 + ... + 3711123482.

It is an arithmetic number, because the mean of its divisors is an integer number (77933592282).

Almost surely, 2^304312122203 is an apocalyptic number.

304312122203 is a deficient number, since it is larger than the sum of its proper divisors (7422246925).

304312122203 is an equidigital number, since it uses as much as digits as its factorization.

304312122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7422246924.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 304312122203 its reverse (302221213403), we get a palindrome (606533335606).

The spelling of 304312122203 in words is "three hundred four billion, three hundred twelve million, one hundred twenty-two thousand, two hundred three".