2102030443 has 4 divisors (see below), whose sum is σ = 2103394288. Its totient is φ = 2100666600.

The previous prime is 2102030387. The next prime is 2102030471. The reversal of 2102030443 is 3440302012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102030443 - 2²¹ = 2099933291 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 2102030443.

It is not an unprimeable number, because it can be changed into a prime (2102030543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679608 + ... + 682693.

It is an arithmetic number, because the mean of its divisors is an integer number (525848572).

Almost surely, 2^2102030443 is an apocalyptic number.

2102030443 is a deficient number, since it is larger than the sum of its proper divisors (1363845).

2102030443 is a wasteful number, since it uses less digits than its factorization.

2102030443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363844.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2102030443 is about 45847.9055464914. The cubic root of 2102030443 is about 1280.9917531533.

Adding to 2102030443 its reverse (3440302012), we get a palindrome (5542332455).

The spelling of 2102030443 in words is "two billion, one hundred two million, thirty thousand, four hundred forty-three".