31133042044 has 48 divisors (see below), whose sum is σ = 59669862112. Its totient is φ = 14126441472.

The previous prime is 31133042033. The next prime is 31133042069. The reversal of 31133042044 is 44024033113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1175047 + ... + 1201249.

Almost surely, 2^31133042044 is an apocalyptic number.

It is an amenable number.

31133042044 is a deficient number, since it is larger than the sum of its proper divisors (28536820068).

31133042044 is a wasteful number, since it uses less digits than its factorization.

31133042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26606 (or 26604 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31133042044 its reverse (44024033113), we get a palindrome (75157075157).

The spelling of 31133042044 in words is "thirty-one billion, one hundred thirty-three million, forty-two thousand, forty-four".