313113330203 has 4 divisors (see below), whose sum is σ = 319775316000. Its totient is φ = 306451344408.

The previous prime is 313113330161. The next prime is 313113330241. The reversal of 313113330203 is 302033311313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302033311313 = 373 ⋅809740781.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313113330203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313113330263) 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, 3330992828 + ... + 3330992921.

It is an arithmetic number, because the mean of its divisors is an integer number (79943829000).

Almost surely, 2^313113330203 is an apocalyptic number.

313113330203 is a deficient number, since it is larger than the sum of its proper divisors (6661985797).

313113330203 is an equidigital number, since it uses as much as digits as its factorization.

313113330203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6661985796.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 313113330203 its reverse (302033311313), we get a palindrome (615146641516).

The spelling of 313113330203 in words is "three hundred thirteen billion, one hundred thirteen million, three hundred thirty thousand, two hundred three".