112131031 has 8 divisors (see below), whose sum is σ = 119024640. Its totient is φ = 105270528.

The previous prime is 112131013. The next prime is 112131043. The reversal of 112131031 is 130131211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112131031 - 2⁹ = 112130519 is a prime.

It is a super-2 number, since 2×112131031² = 25146736226245922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112131001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111 + ... + 15016.

It is an arithmetic number, because the mean of its divisors is an integer number (14878080).

Almost surely, 2^112131031 is an apocalyptic number.

112131031 is a deficient number, since it is larger than the sum of its proper divisors (6893609).

112131031 is a wasteful number, since it uses less digits than its factorization.

112131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16553.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 112131031 is about 10589.1940675389. The cubic root of 112131031 is about 482.2163577613.

Adding to 112131031 its reverse (130131211), we get a palindrome (242262242).

The spelling of 112131031 in words is "one hundred twelve million, one hundred thirty-one thousand, thirty-one".