2143442402103 has 16 divisors (see below), whose sum is σ = 2859012737280. Its totient is φ = 1428416956224.

The previous prime is 2143442402093. The next prime is 2143442402119. The reversal of 2143442402103 is 3012042443412.

It is not a de Polignac number, because 2143442402103 - 2⁸ = 2143442401847 is a prime.

It is a super-2 number, since 2×2143442402103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143442402203) 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, 126799950 + ... + 126816852.

It is an arithmetic number, because the mean of its divisors is an integer number (178688296080).

Almost surely, 2^{2143442402103} is an apocalyptic number.

2143442402103 is a deficient number, since it is larger than the sum of its proper divisors (715570335177).

2143442402103 is a wasteful number, since it uses less digits than its factorization.

2143442402103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30518.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 2143442402103 its reverse (3012042443412), we get a palindrome (5155484845515).

The spelling of 2143442402103 in words is "two trillion, one hundred forty-three billion, four hundred forty-two million, four hundred two thousand, one hundred three".