2003313231 has 12 divisors (see below), whose sum is σ = 2933315008. Its totient is φ = 1317246624.

The previous prime is 2003313227. The next prime is 2003313281. The reversal of 2003313231 is 1323133002.

2003313231 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2003313231 - 2² = 2003313227 is a prime.

It is a super-2 number, since 2×2003313231² = 8026527802999318722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003313281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1523935 + ... + 1525248.

Almost surely, 2^2003313231 is an apocalyptic number.

2003313231 is a deficient number, since it is larger than the sum of its proper divisors (930001777).

2003313231 is a wasteful number, since it uses less digits than its factorization.

2003313231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049262 (or 3049259 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 2003313231 is about 44758.3872698738. The cubic root of 2003313231 is about 1260.6164009730.

Adding to 2003313231 its reverse (1323133002), we get a palindrome (3326446233).

The spelling of 2003313231 in words is "two billion, three million, three hundred thirteen thousand, two hundred thirty-one".