2143304430 has 16 divisors (see below), whose sum is σ = 5143930704. Its totient is φ = 571547840.

The previous prime is 2143304411. The next prime is 2143304447. The reversal of 2143304430 is 344033412.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143304430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35721711 + ... + 35721770.

It is an arithmetic number, because the mean of its divisors is an integer number (321495669).

Almost surely, 2^2143304430 is an apocalyptic number.

2143304430 is an abundant number, since it is smaller than the sum of its proper divisors (3000626274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143304430 is a wasteful number, since it uses less digits than its factorization.

2143304430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71443491.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2143304430 is about 46295.8359898598. The cubic root of 2143304430 is about 1289.3216853321.

Adding to 2143304430 its reverse (344033412), we get a palindrome (2487337842).

The spelling of 2143304430 in words is "two billion, one hundred forty-three million, three hundred four thousand, four hundred thirty".