31224344044 has 24 divisors (see below), whose sum is σ = 55128628800. Its totient is φ = 15473762304.

The previous prime is 31224344009. The next prime is 31224344087. The reversal of 31224344044 is 44044342213.

It is a junction number, because it is equal to n+sod(n) for n = 31224343997 and 31224344015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219372 + ... + 332524.

It is an arithmetic number, because the mean of its divisors is an integer number (2297026200).

Almost surely, 2^31224344044 is an apocalyptic number.

It is an amenable number.

31224344044 is a deficient number, since it is larger than the sum of its proper divisors (23904284756).

31224344044 is a wasteful number, since it uses less digits than its factorization.

31224344044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113769 (or 113767 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 31224344044 its reverse (44044342213), we get a palindrome (75268686257).

It can be divided in two parts, 312 and 24344044, that added together give a square (24344356 = 4934²).

The spelling of 31224344044 in words is "thirty-one billion, two hundred twenty-four million, three hundred forty-four thousand, forty-four".