2003144231 has 12 divisors (see below), whose sum is σ = 2277731400. Its totient is φ = 1758242640.

The previous prime is 2003144201. The next prime is 2003144233. The reversal of 2003144231 is 1324413002.

It is a de Polignac number, because none of the positive numbers 2^k-2003144231 is a prime.

It is a super-2 number, since 2×2003144231² = 8025173620377162722, 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 (2003144233) 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, 281921 + ... + 288938.

It is an arithmetic number, because the mean of its divisors is an integer number (189810950).

Almost surely, 2^2003144231 is an apocalyptic number.

2003144231 is a deficient number, since it is larger than the sum of its proper divisors (274587169).

2003144231 is a wasteful number, since it uses less digits than its factorization.

2003144231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570910 (or 570899 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2003144231 is about 44756.4993157418. The cubic root of 2003144231 is about 1260.5809513389.

Adding to 2003144231 its reverse (1324413002), we get a palindrome (3327557233).

The spelling of 2003144231 in words is "two billion, three million, one hundred forty-four thousand, two hundred thirty-one".