431221224231244 has 6 divisors (see below), whose sum is σ = 754637142404684. Its totient is φ = 215610612115620.

The previous prime is 431221224231229. The next prime is 431221224231247. The reversal of 431221224231244 is 442132422122134.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (431221224231247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53902653028902 + ... + 53902653028909.

Almost surely, 2^{431221224231244} is an apocalyptic number.

It is an amenable number.

431221224231244 is a deficient number, since it is larger than the sum of its proper divisors (323415918173440).

431221224231244 is a wasteful number, since it uses less digits than its factorization.

431221224231244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107805306057815 (or 107805306057813 counting only the distinct ones).

The product of its digits is 147456, while the sum is 37.

Adding to 431221224231244 its reverse (442132422122134), we get a palindrome (873353646353378).

The spelling of 431221224231244 in words is "four hundred thirty-one trillion, two hundred twenty-one billion, two hundred twenty-four million, two hundred thirty-one thousand, two hundred forty-four".