2143031244 has 48 divisors (see below), whose sum is σ = 5029315200. Its totient is φ = 710228736.

The previous prime is 2143031243. The next prime is 2143031257. The reversal of 2143031244 is 4421303412.

It is not an unprimeable number, because it can be changed into a prime (2143031243) 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, 2123412 + ... + 2124420.

It is an arithmetic number, because the mean of its divisors is an integer number (104777400).

Almost surely, 2^2143031244 is an apocalyptic number.

It is an amenable number.

2143031244 is an abundant number, since it is smaller than the sum of its proper divisors (2886283956).

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

2143031244 is a wasteful number, since it uses less digits than its factorization.

2143031244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2143031244 is about 46292.8854577029. The cubic root of 2143031244 is about 1289.2669039402.

Adding to 2143031244 its reverse (4421303412), we get a palindrome (6564334656).

The spelling of 2143031244 in words is "two billion, one hundred forty-three million, thirty-one thousand, two hundred forty-four".