203133230313 has 24 divisors (see below), whose sum is σ = 298252023840. Its totient is φ = 122886316800.

The previous prime is 203133230309. The next prime is 203133230341. The reversal of 203133230313 is 313032331302.

It is not a de Polignac number, because 203133230313 - 2² = 203133230309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (203133230303) 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 23 ways as a sum of consecutive naturals, for example, 3365488 + ... + 3425313.

It is an arithmetic number, because the mean of its divisors is an integer number (12427167660).

Almost surely, 2^203133230313 is an apocalyptic number.

It is an amenable number.

203133230313 is a deficient number, since it is larger than the sum of its proper divisors (95118793527).

203133230313 is a wasteful number, since it uses less digits than its factorization.

203133230313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6790889 (or 6790876 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 203133230313 its reverse (313032331302), we get a palindrome (516165561615).

The spelling of 203133230313 in words is "two hundred three billion, one hundred thirty-three million, two hundred thirty thousand, three hundred thirteen".