313323203 has 4 divisors (see below), whose sum is σ = 313393368. Its totient is φ = 313253040.

The previous prime is 313323193. The next prime is 313323239. The reversal of 313323203 is 302323313.

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 313323203 - 2¹⁸ = 313061059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313323253) 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, 27893 + ... + 37478.

It is an arithmetic number, because the mean of its divisors is an integer number (78348342).

Almost surely, 2^313323203 is an apocalyptic number.

313323203 is a deficient number, since it is larger than the sum of its proper divisors (70165).

313323203 is an equidigital number, since it uses as much as digits as its factorization.

313323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70164.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 313323203 is about 17700.9379130034. The cubic root of 313323203 is about 679.1997528154.

Adding to 313323203 its reverse (302323313), we get a palindrome (615646516).

The spelling of 313323203 in words is "three hundred thirteen million, three hundred twenty-three thousand, two hundred three".