31123424044 has 6 divisors (see below), whose sum is σ = 54465992084. Its totient is φ = 15561712020.

The previous prime is 31123424021. The next prime is 31123424077. The reversal of 31123424044 is 44042432113.

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 as a sum of consecutive naturals, namely, 3890428002 + ... + 3890428009.

Almost surely, 2^31123424044 is an apocalyptic number.

It is an amenable number.

31123424044 is a deficient number, since it is larger than the sum of its proper divisors (23342568040).

31123424044 is a wasteful number, since it uses less digits than its factorization.

31123424044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7780856015 (or 7780856013 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 31123424044 its reverse (44042432113), we get a palindrome (75165856157).

The spelling of 31123424044 in words is "thirty-one billion, one hundred twenty-three million, four hundred twenty-four thousand, forty-four".