31224444104 has 16 divisors (see below), whose sum is σ = 66909523200. Its totient is φ = 13381904592.

The previous prime is 31224444091. The next prime is 31224444107. The reversal of 31224444104 is 40144442213.

It is not an unprimeable number, because it can be changed into a prime (31224444107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278789624 + ... + 278789735.

It is an arithmetic number, because the mean of its divisors is an integer number (4181845200).

Almost surely, 2^31224444104 is an apocalyptic number.

It is an amenable number.

31224444104 is an abundant number, since it is smaller than the sum of its proper divisors (35685079096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31224444104 is a wasteful number, since it uses less digits than its factorization.

31224444104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557579372 (or 557579368 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 31224444104 its reverse (40144442213), we get a palindrome (71368886317).

The spelling of 31224444104 in words is "thirty-one billion, two hundred twenty-four million, four hundred forty-four thousand, one hundred four".