31244424004 has 24 divisors (see below), whose sum is σ = 56163699648. Its totient is φ = 15197775840.

The previous prime is 31244423971. The next prime is 31244424017. The reversal of 31244424004 is 40042444213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1520559 + ... + 1540969.

It is an arithmetic number, because the mean of its divisors is an integer number (2340154152).

Almost surely, 2^31244424004 is an apocalyptic number.

It is an amenable number.

31244424004 is a deficient number, since it is larger than the sum of its proper divisors (24919275644).

31244424004 is a wasteful number, since it uses less digits than its factorization.

31244424004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30795 (or 30793 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 31244424004 its reverse (40042444213), we get a palindrome (71286868217).

The spelling of 31244424004 in words is "thirty-one billion, two hundred forty-four million, four hundred twenty-four thousand, four".