31344112 has 20 divisors (see below), whose sum is σ = 62022816. Its totient is φ = 15338240.

The previous prime is 31344097. The next prime is 31344121. The reversal of 31344112 is 21144313.

It is a self number, because there is not a number n which added to its sum of digits gives 31344112.

It is a congruent number.

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, 20089 + ... + 21592.

Almost surely, 2^31344112 is an apocalyptic number.

It is an amenable number.

31344112 is a deficient number, since it is larger than the sum of its proper divisors (30678704).

31344112 is a wasteful number, since it uses less digits than its factorization.

31344112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41736 (or 41730 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 31344112 is about 5598.5812488522. The cubic root of 31344112 is about 315.2961420925.

Adding to 31344112 its reverse (21144313), we get a palindrome (52488425).

The spelling of 31344112 in words is "thirty-one million, three hundred forty-four thousand, one hundred twelve".