2043431443221 has 8 divisors (see below), whose sum is σ = 3113800294464. Its totient is φ = 1167675110400.

The previous prime is 2043431443159. The next prime is 2043431443231. The reversal of 2043431443221 is 1223441343402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2043431443221 - 2¹¹ = 2043431441173 is a prime.

It is a super-2 number, since 2×2043431443221² (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 (2043431443231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48653129580 + ... + 48653129621.

It is an arithmetic number, because the mean of its divisors is an integer number (389225036808).

Almost surely, 2^{2043431443221} is an apocalyptic number.

2043431443221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2043431443221 is a deficient number, since it is larger than the sum of its proper divisors (1070368851243).

2043431443221 is an equidigital number, since it uses as much as digits as its factorization.

2043431443221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97306259211.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 2043431443221 its reverse (1223441343402), we get a palindrome (3266872786623).

The spelling of 2043431443221 in words is "two trillion, forty-three billion, four hundred thirty-one million, four hundred forty-three thousand, two hundred twenty-one".