2144243113 has 2 divisors, whose sum is σ = 2144243114. Its totient is φ = 2144243112.

The previous prime is 2144243111. The next prime is 2144243131. The reversal of 2144243113 is 3113424412.

Together with next prime (2144243131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1364046489 + 780196624 = 36933^2 + 27932^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144243113 - 2¹ = 2144243111 is a prime.

Together with 2144243111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2144243111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072121556 + 1072121557.

It is an arithmetic number, because the mean of its divisors is an integer number (1072121557).

Almost surely, 2^2144243113 is an apocalyptic number.

It is an amenable number.

2144243113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144243113 is an equidigital number, since it uses as much as digits as its factorization.

2144243113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 2144243113 is about 46305.9727573021. The cubic root of 2144243113 is about 1289.5098819147.

Adding to 2144243113 its reverse (3113424412), we get a palindrome (5257667525).

The spelling of 2144243113 in words is "two billion, one hundred forty-four million, two hundred forty-three thousand, one hundred thirteen".