2003144312 has 64 divisors (see below), whose sum is σ = 4300279200. Its totient is φ = 867110400.

The previous prime is 2003144233. The next prime is 2003144383. The reversal of 2003144312 is 2134413002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194558 + ... + 204594.

Almost surely, 2^2003144312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003144312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2150139600).

2003144312 is an abundant number, since it is smaller than the sum of its proper divisors (2297134888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003144312 is a wasteful number, since it uses less digits than its factorization.

2003144312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10176 (or 10172 counting only the distinct ones).

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

The square root of 2003144312 is about 44756.5002206383. The cubic root of 2003144312 is about 1260.5809683301.

Adding to 2003144312 its reverse (2134413002), we get a palindrome (4137557314).

The spelling of 2003144312 in words is "two billion, three million, one hundred forty-four thousand, three hundred twelve".