313203302003 has 16 divisors (see below), whose sum is σ = 324475489536. Its totient is φ = 302135853600.

The previous prime is 313203301991. The next prime is 313203302011. The reversal of 313203302003 is 300203302313.

It is a de Polignac number, because none of the positive numbers 2^k-313203302003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313203301003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 983876 + ... + 1262702.

It is an arithmetic number, because the mean of its divisors is an integer number (20279718096).

Almost surely, 2^313203302003 is an apocalyptic number.

313203302003 is a deficient number, since it is larger than the sum of its proper divisors (11272187533).

313203302003 is a wasteful number, since it uses less digits than its factorization.

313203302003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279194.

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

Adding to 313203302003 its reverse (300203302313), we get a palindrome (613406604316).

The spelling of 313203302003 in words is "three hundred thirteen billion, two hundred three million, three hundred two thousand, three".