112531111 has 16 divisors (see below), whose sum is σ = 146400768. Its totient is φ = 83872800.

The previous prime is 112531103. The next prime is 112531121. The reversal of 112531111 is 111135211.

It is a happy number.

It is not a de Polignac number, because 112531111 - 2³ = 112531103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112531121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30000 + ... + 33541.

It is an arithmetic number, because the mean of its divisors is an integer number (9150048).

Almost surely, 2^112531111 is an apocalyptic number.

112531111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112531111 is a deficient number, since it is larger than the sum of its proper divisors (33869657).

112531111 is a wasteful number, since it uses less digits than its factorization.

112531111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63582.

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

The square root of 112531111 is about 10608.0682030236. The cubic root of 112531111 is about 482.7891879647.

Adding to 112531111 its reverse (111135211), we get a palindrome (223666322).

The spelling of 112531111 in words is "one hundred twelve million, five hundred thirty-one thousand, one hundred eleven".