31024042044 has 24 divisors (see below), whose sum is σ = 72401387520. Its totient is φ = 10339639344.

The previous prime is 31024042043. The next prime is 31024042087. The reversal of 31024042044 is 44024042013.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31024042043) 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 7 ways as a sum of consecutive naturals, for example, 136714 + ... + 284145.

It is an arithmetic number, because the mean of its divisors is an integer number (3016724480).

Almost surely, 2^31024042044 is an apocalyptic number.

It is an amenable number.

31024042044 is an abundant number, since it is smaller than the sum of its proper divisors (41377345476).

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

31024042044 is a wasteful number, since it uses less digits than its factorization.

31024042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427009 (or 427007 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 31024042044 its reverse (44024042013), we get a palindrome (75048084057).

The spelling of 31024042044 in words is "thirty-one billion, twenty-four million, forty-two thousand, forty-four".