2231044440043 has 4 divisors (see below), whose sum is σ = 2238082435440. Its totient is φ = 2224006444648.

The previous prime is 2231044439999. The next prime is 2231044440059. The reversal of 2231044440043 is 3400444401322.

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 2231044440043 - 2⁹ = 2231044439531 is a prime.

It is a super-3 number, since 3×2231044440043³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231044439987 and 2231044440014.

It is not an unprimeable number, because it can be changed into a prime (2231044440083) 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, 3518997223 + ... + 3518997856.

It is an arithmetic number, because the mean of its divisors is an integer number (559520608860).

Almost surely, 2^{2231044440043} is an apocalyptic number.

2231044440043 is a deficient number, since it is larger than the sum of its proper divisors (7037995397).

2231044440043 is an equidigital number, since it uses as much as digits as its factorization.

2231044440043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7037995396.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 2231044440043 its reverse (3400444401322), we get a palindrome (5631488841365).

The spelling of 2231044440043 in words is "two trillion, two hundred thirty-one billion, forty-four million, four hundred forty thousand, forty-three".