31444433224 has 32 divisors (see below), whose sum is σ = 59213234520. Its totient is φ = 15654352896.

The previous prime is 31444433213. The next prime is 31444433261. The reversal of 31444433224 is 42233444413.

It can be written as a sum of positive squares in 4 ways, for example, as 17969402500 + 13475030724 = 134050^2 + 116082^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31444433224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2379724 + ... + 2392900.

Almost surely, 2^31444433224 is an apocalyptic number.

It is an amenable number.

31444433224 is a deficient number, since it is larger than the sum of its proper divisors (27768801296).

31444433224 is a wasteful number, since it uses less digits than its factorization.

31444433224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14449 (or 14445 counting only the distinct ones).

The product of its digits is 110592, while the sum is 34.

Adding to 31444433224 its reverse (42233444413), we get a palindrome (73677877637).

The spelling of 31444433224 in words is "thirty-one billion, four hundred forty-four million, four hundred thirty-three thousand, two hundred twenty-four".