31022444044 has 12 divisors (see below), whose sum is σ = 54345194568. Its totient is φ = 15495245600.

The previous prime is 31022443993. The next prime is 31022444053. The reversal of 31022444044 is 44044422013.

It is a super-2 number, since 2×31022444044² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3989737 + ... + 3997504.

It is an arithmetic number, because the mean of its divisors is an integer number (4528766214).

Almost surely, 2^31022444044 is an apocalyptic number.

It is an amenable number.

31022444044 is a deficient number, since it is larger than the sum of its proper divisors (23322750524).

31022444044 is a wasteful number, since it uses less digits than its factorization.

31022444044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7988216 (or 7988214 counting only the distinct ones).

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

Adding to 31022444044 its reverse (44044422013), we get a palindrome (75066866057).

The spelling of 31022444044 in words is "thirty-one billion, twenty-two million, four hundred forty-four thousand, forty-four".