113112312 has 16 divisors (see below), whose sum is σ = 282780840. Its totient is φ = 37704096.

The previous prime is 113112287. The next prime is 113112319. The reversal of 113112312 is 213211311.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 113112291 and 113112300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2356483 + ... + 2356530.

Almost surely, 2^113112312 is an apocalyptic number.

113112312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113112312 is an abundant number, since it is smaller than the sum of its proper divisors (169668528).

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

113112312 is a wasteful number, since it uses less digits than its factorization.

113112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713022 (or 4713018 counting only the distinct ones).

The product of its digits is 36, while the sum is 15.

The square root of 113112312 is about 10635.4272128580. The cubic root of 113112312 is about 483.6189314336.

Adding to 113112312 its reverse (213211311), we get a palindrome (326323623).

The spelling of 113112312 in words is "one hundred thirteen million, one hundred twelve thousand, three hundred twelve".