10443431030221 has 4 divisors (see below), whose sum is σ = 11935349748832. Its totient is φ = 8951512311612.

The previous prime is 10443431030213. The next prime is 10443431030251. The reversal of 10443431030221 is 12203013434401.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 10443431030221 - 2³ = 10443431030213 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 10443431030221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10443431030251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745959359295 + ... + 745959359308.

It is an arithmetic number, because the mean of its divisors is an integer number (2983837437208).

Almost surely, 2^{10443431030221} is an apocalyptic number.

It is an amenable number.

10443431030221 is a deficient number, since it is larger than the sum of its proper divisors (1491918718611).

10443431030221 is an equidigital number, since it uses as much as digits as its factorization.

10443431030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491918718610.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 10443431030221 its reverse (12203013434401), we get a palindrome (22646444464622).

The spelling of 10443431030221 in words is "ten trillion, four hundred forty-three billion, four hundred thirty-one million, thirty thousand, two hundred twenty-one".