2043000044431 has 4 divisors (see below), whose sum is σ = 2065955101200. Its totient is φ = 2020044987664.

The previous prime is 2043000044411. The next prime is 2043000044453. The reversal of 2043000044431 is 1344400003402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043000044431 is a prime.

It is a super-2 number, since 2×2043000044431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2043000044396 and 2043000044405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043000044411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11477528251 + ... + 11477528428.

It is an arithmetic number, because the mean of its divisors is an integer number (516488775300).

Almost surely, 2^{2043000044431} is an apocalyptic number.

2043000044431 is a deficient number, since it is larger than the sum of its proper divisors (22955056769).

2043000044431 is an equidigital number, since it uses as much as digits as its factorization.

2043000044431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22955056768.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2043000044431 its reverse (1344400003402), we get a palindrome (3387400047833).

The spelling of 2043000044431 in words is "two trillion, forty-three billion, forty-four thousand, four hundred thirty-one".