2143142103 has 16 divisors (see below), whose sum is σ = 2899591136. Its totient is φ = 1407767040.

The previous prime is 2143142081. The next prime is 2143142117. The reversal of 2143142103 is 3012413412.

It is not a de Polignac number, because 2143142103 - 2¹⁰ = 2143141079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143142103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143142803) 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, 240243 + ... + 249003.

It is an arithmetic number, because the mean of its divisors is an integer number (181224446).

Almost surely, 2^2143142103 is an apocalyptic number.

2143142103 is a deficient number, since it is larger than the sum of its proper divisors (756449033).

2143142103 is a wasteful number, since it uses less digits than its factorization.

2143142103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9954.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2143142103 is about 46294.0828076332. The cubic root of 2143142103 is about 1289.2891348146.

Adding to 2143142103 its reverse (3012413412), we get a palindrome (5155555515).

The spelling of 2143142103 in words is "two billion, one hundred forty-three million, one hundred forty-two thousand, one hundred three".