31114144 has 24 divisors (see below), whose sum is σ = 61390980. Its totient is φ = 15522816.

The previous prime is 31114099. The next prime is 31114157. The reversal of 31114144 is 44141113.

It can be written as a sum of positive squares in 2 ways, for example, as 28515600 + 2598544 = 5340^2 + 1612^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20152 + ... + 21640.

Almost surely, 2^31114144 is an apocalyptic number.

It is an amenable number.

31114144 is a deficient number, since it is larger than the sum of its proper divisors (30276836).

31114144 is a wasteful number, since it uses less digits than its factorization.

31114144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152 (or 2144 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 31114144 is about 5578.0053782692. The cubic root of 31114144 is about 314.5231518616.

Adding to 31114144 its reverse (44141113), we get a palindrome (75255257).

The spelling of 31114144 in words is "thirty-one million, one hundred fourteen thousand, one hundred forty-four".