331223420444403 has 24 divisors (see below), whose sum is σ = 474892639481808. Its totient is φ = 205246687508928.

The previous prime is 331223420444377. The next prime is 331223420444431. The reversal of 331223420444403 is 304444024322133.

It is a happy number.

It is not a de Polignac number, because 331223420444403 - 2⁹ = 331223420443891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331223420444473) 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 23 ways as a sum of consecutive naturals, for example, 2885214300 + ... + 2885329097.

It is an arithmetic number, because the mean of its divisors is an integer number (19787193311742).

Almost surely, 2^{331223420444403} is an apocalyptic number.

331223420444403 is a deficient number, since it is larger than the sum of its proper divisors (143669219037405).

331223420444403 is a wasteful number, since it uses less digits than its factorization.

331223420444403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5770543491 (or 5770543472 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 331223420444403 its reverse (304444024322133), we get a palindrome (635667444766536).

The spelling of 331223420444403 in words is "three hundred thirty-one trillion, two hundred twenty-three billion, four hundred twenty million, four hundred forty-four thousand, four hundred three".