31116044 has 12 divisors (see below), whose sum is σ = 54499368. Its totient is φ = 15544800.

The previous prime is 31116013. The next prime is 31116067. The reversal of 31116044 is 44061113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3584 + ... + 8664.

It is an arithmetic number, because the mean of its divisors is an integer number (4541614).

Almost surely, 2^31116044 is an apocalyptic number.

It is an amenable number.

31116044 is a deficient number, since it is larger than the sum of its proper divisors (23383324).

31116044 is a wasteful number, since it uses less digits than its factorization.

31116044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6616 (or 6614 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 31116044 is about 5578.1756874448. The cubic root of 31116044 is about 314.5295538999.

Adding to 31116044 its reverse (44061113), we get a palindrome (75177157).

The spelling of 31116044 in words is "thirty-one million, one hundred sixteen thousand, forty-four".