112115131 has 4 divisors (see below), whose sum is σ = 115981200. Its totient is φ = 108249064.

The previous prime is 112115117. The next prime is 112115231. The reversal of 112115131 is 131511211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112115131 - 2⁵ = 112115099 is a prime.

It is a super-3 number, since 3×112115131³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112115231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1932991 + ... + 1933048.

It is an arithmetic number, because the mean of its divisors is an integer number (28995300).

Almost surely, 2^112115131 is an apocalyptic number.

112115131 is a deficient number, since it is larger than the sum of its proper divisors (3866069).

112115131 is an equidigital number, since it uses as much as digits as its factorization.

112115131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866068.

The product of its digits is 30, while the sum is 16.

The square root of 112115131 is about 10588.4432755717. The cubic root of 112115131 is about 482.1935641824.

Adding to 112115131 its reverse (131511211), we get a palindrome (243626342).

The spelling of 112115131 in words is "one hundred twelve million, one hundred fifteen thousand, one hundred thirty-one".