2031344443 has 4 divisors (see below), whose sum is σ = 2032268728. Its totient is φ = 2030420160.

The previous prime is 2031344377. The next prime is 2031344461. The reversal of 2031344443 is 3444431302.

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 2031344443 - 2²⁹ = 1494473531 is a prime.

It is a super-2 number, since 2×2031344443² = 8252720492213960498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031344543) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 458838 + ... + 463243.

It is an arithmetic number, because the mean of its divisors is an integer number (508067182).

Almost surely, 2^2031344443 is an apocalyptic number.

2031344443 is a deficient number, since it is larger than the sum of its proper divisors (924285).

2031344443 is an equidigital number, since it uses as much as digits as its factorization.

2031344443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924284.

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

The square root of 2031344443 is about 45070.4386821340. The cubic root of 2031344443 is about 1266.4688823302.

Adding to 2031344443 its reverse (3444431302), we get a palindrome (5475775745).

The spelling of 2031344443 in words is "two billion, thirty-one million, three hundred forty-four thousand, four hundred forty-three".