2031143443 has 16 divisors (see below), whose sum is σ = 2390860800. Its totient is φ = 1724678088.

The previous prime is 2031143437. The next prime is 2031143461. The reversal of 2031143443 is 3443411302.

It is not a de Polignac number, because 2031143443 - 2¹³ = 2031135251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031143423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9030 + ... + 64372.

It is an arithmetic number, because the mean of its divisors is an integer number (149428800).

Almost surely, 2^2031143443 is an apocalyptic number.

2031143443 is a deficient number, since it is larger than the sum of its proper divisors (359717357).

2031143443 is an equidigital number, since it uses as much as digits as its factorization.

2031143443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55471 (or 55457 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2031143443 is about 45068.2087840198. The cubic root of 2031143443 is about 1266.4271089056.

Adding to 2031143443 its reverse (3443411302), we get a palindrome (5474554745).

The spelling of 2031143443 in words is "two billion, thirty-one million, one hundred forty-three thousand, four hundred forty-three".