2113103143443 has 16 divisors (see below), whose sum is σ = 2872320652800. Its totient is φ = 1381341827424.

The previous prime is 2113103143441. The next prime is 2113103143477. The reversal of 2113103143443 is 3443413013112.

It is not a de Polignac number, because 2113103143443 - 2¹ = 2113103143441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113103143443.

It is not an unprimeable number, because it can be changed into a prime (2113103143441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3640971 + ... + 4181252.

It is an arithmetic number, because the mean of its divisors is an integer number (179520040800).

Almost surely, 2^{2113103143443} is an apocalyptic number.

2113103143443 is a deficient number, since it is larger than the sum of its proper divisors (759217509357).

2113103143443 is a wasteful number, since it uses less digits than its factorization.

2113103143443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7823978.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 2113103143443 its reverse (3443413013112), we get a palindrome (5556516156555).

The spelling of 2113103143443 in words is "two trillion, one hundred thirteen billion, one hundred three million, one hundred forty-three thousand, four hundred forty-three".