31148112 has 40 divisors (see below), whose sum is σ = 80785504. Its totient is φ = 10341504.

The previous prime is 31148107. The next prime is 31148123. The reversal of 31148112 is 21184113.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12438 + ... + 14730.

Almost surely, 2^31148112 is an apocalyptic number.

It is an amenable number.

31148112 is an abundant number, since it is smaller than the sum of its proper divisors (49637392).

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

31148112 is a wasteful number, since it uses less digits than its factorization.

31148112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587 (or 2581 counting only the distinct ones).

The product of its digits is 192, while the sum is 21.

The square root of 31148112 is about 5581.0493636950. The cubic root of 31148112 is about 314.6375675316.

The spelling of 31148112 in words is "thirty-one million, one hundred forty-eight thousand, one hundred twelve".