2144313243 has 20 divisors (see below), whose sum is σ = 3281366088. Its totient is φ = 1394673120.

The previous prime is 2144313211. The next prime is 2144313247. The reversal of 2144313243 is 3423134412.

It is not a de Polignac number, because 2144313243 - 2⁵ = 2144313211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2144313247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 319521 + ... + 326162.

Almost surely, 2^2144313243 is an apocalyptic number.

2144313243 is a deficient number, since it is larger than the sum of its proper divisors (1137052845).

2144313243 is an equidigital number, since it uses as much as digits as its factorization.

2144313243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645736 (or 645727 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 2144313243 is about 46306.7299968374. The cubic root of 2144313243 is about 1289.5239400753.

Adding to 2144313243 its reverse (3423134412), we get a palindrome (5567447655).

The spelling of 2144313243 in words is "two billion, one hundred forty-four million, three hundred thirteen thousand, two hundred forty-three".