2002431143143 has 16 divisors (see below), whose sum is σ = 2135039886720. Its totient is φ = 1872669472416.

The previous prime is 2002431143113. The next prime is 2002431143149. The reversal of 2002431143143 is 3413411342002.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002431143143 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1164880 + ... + 2315557.

It is an arithmetic number, because the mean of its divisors is an integer number (133439992920).

Almost surely, 2^{2002431143143} is an apocalyptic number.

2002431143143 is a deficient number, since it is larger than the sum of its proper divisors (132608743577).

2002431143143 is a wasteful number, since it uses less digits than its factorization.

2002431143143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480846.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2002431143143 its reverse (3413411342002), we get a palindrome (5415842485145).

The spelling of 2002431143143 in words is "two trillion, two billion, four hundred thirty-one million, one hundred forty-three thousand, one hundred forty-three".