2043442320031 has 4 divisors (see below), whose sum is σ = 2335362651472. Its totient is φ = 1751521988592.

The previous prime is 2043442319977. The next prime is 2043442320053. The reversal of 2043442320031 is 1300232443402.

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 2043442320031 - 2⁹ = 2043442319519 is a prime.

It is a super-2 number, since 2×2043442320031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043442320331) 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, 145960165710 + ... + 145960165723.

It is an arithmetic number, because the mean of its divisors is an integer number (583840662868).

Almost surely, 2^{2043442320031} is an apocalyptic number.

2043442320031 is a deficient number, since it is larger than the sum of its proper divisors (291920331441).

2043442320031 is an equidigital number, since it uses as much as digits as its factorization.

2043442320031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291920331440.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 2043442320031 its reverse (1300232443402), we get a palindrome (3343674763433).

The spelling of 2043442320031 in words is "two trillion, forty-three billion, four hundred forty-two million, three hundred twenty thousand, thirty-one".