1043044330321 has 4 divisors (see below), whose sum is σ = 1192050663232. Its totient is φ = 894037997412.

The previous prime is 1043044330319. The next prime is 1043044330327. The reversal of 1043044330321 is 1230334403401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1043044330321 - 2¹ = 1043044330319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1043044330321.

It is not an unprimeable number, because it can be changed into a prime (1043044330327) 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, 74503166445 + ... + 74503166458.

It is an arithmetic number, because the mean of its divisors is an integer number (298012665808).

Almost surely, 2^{1043044330321} is an apocalyptic number.

It is an amenable number.

1043044330321 is a deficient number, since it is larger than the sum of its proper divisors (149006332911).

1043044330321 is an equidigital number, since it uses as much as digits as its factorization.

1043044330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149006332910.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1043044330321 its reverse (1230334403401), we get a palindrome (2273378733722).

The spelling of 1043044330321 in words is "one trillion, forty-three billion, forty-four million, three hundred thirty thousand, three hundred twenty-one".