2002431143144 has 32 divisors (see below), whose sum is σ = 3780035688000. Its totient is φ = 994439255040.

The previous prime is 2002431143113. The next prime is 2002431143149. The reversal of 2002431143144 is 4413411342002.

It is not an unprimeable number, because it can be changed into a prime (2002431143149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192377 + ... + 2010440.

It is an arithmetic number, because the mean of its divisors is an integer number (118126115250).

Almost surely, 2^{2002431143144} is an apocalyptic number.

It is an amenable number.

2002431143144 is a deficient number, since it is larger than the sum of its proper divisors (1777604544856).

2002431143144 is a wasteful number, since it uses less digits than its factorization.

2002431143144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203593 (or 2203589 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 2002431143144 its reverse (4413411342002), we get a palindrome (6415842485146).

The spelling of 2002431143144 in words is "two trillion, two billion, four hundred thirty-one million, one hundred forty-three thousand, one hundred forty-four".