112112031 has 4 divisors (see below), whose sum is σ = 149482712. Its totient is φ = 74741352.

The previous prime is 112112009. The next prime is 112112069. The reversal of 112112031 is 130211211.

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

It is not a de Polignac number, because 112112031 - 2¹¹ = 112109983 is a prime.

It is a super-2 number, since 2×112112031² = 25138214989889922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112111998 and 112112016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18685336 + ... + 18685341.

It is an arithmetic number, because the mean of its divisors is an integer number (37370678).

Almost surely, 2^112112031 is an apocalyptic number.

112112031 is a deficient number, since it is larger than the sum of its proper divisors (37370681).

112112031 is an equidigital number, since it uses as much as digits as its factorization.

112112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37370680.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 112112031 is about 10588.2968885463. The cubic root of 112112031 is about 482.1891199002.

Adding to 112112031 its reverse (130211211), we get a palindrome (242323242).

The spelling of 112112031 in words is "one hundred twelve million, one hundred twelve thousand, thirty-one".