112123231131 has 8 divisors (see below), whose sum is σ = 150206161984. Its totient is φ = 74394560520.

The previous prime is 112123231127. The next prime is 112123231133. The reversal of 112123231131 is 131132321211.

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

It is not a de Polignac number, because 112123231131 - 2² = 112123231127 is a prime.

It is a super-2 number, since 2×112123231131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112123231098 and 112123231107.

It is not an unprimeable number, because it can be changed into a prime (112123231133) 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 7 ways as a sum of consecutive naturals, for example, 88564321 + ... + 88565586.

It is an arithmetic number, because the mean of its divisors is an integer number (18775770248).

Almost surely, 2^112123231131 is an apocalyptic number.

112123231131 is a deficient number, since it is larger than the sum of its proper divisors (38082930853).

112123231131 is a wasteful number, since it uses less digits than its factorization.

112123231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177130121.

The product of its digits is 216, while the sum is 21.

Adding to 112123231131 its reverse (131132321211), we get a palindrome (243255552342).

The spelling of 112123231131 in words is "one hundred twelve billion, one hundred twenty-three million, two hundred thirty-one thousand, one hundred thirty-one".