2003231120031 has 6 divisors (see below), whose sum is σ = 2893556062280. Its totient is φ = 1335487413348.

The previous prime is 2003231120021. The next prime is 2003231120071. The reversal of 2003231120031 is 1300211323002.

2003231120031 is a `hidden beast` number, since 200 + 3 + 231 + 1 + 200 + 31 = 666.

It is not a de Polignac number, because 2003231120031 - 2⁵ = 2003231119999 is a prime.

It is a super-2 number, since 2×2003231120031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003231119986 and 2003231120013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003231120021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111290617771 + ... + 111290617788.

Almost surely, 2^{2003231120031} is an apocalyptic number.

2003231120031 is a deficient number, since it is larger than the sum of its proper divisors (890324942249).

2003231120031 is a wasteful number, since it uses less digits than its factorization.

2003231120031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222581235565 (or 222581235562 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2003231120031 its reverse (1300211323002), we get a palindrome (3303442443033).

The spelling of 2003231120031 in words is "two trillion, three billion, two hundred thirty-one million, one hundred twenty thousand, thirty-one".