112131322 has 4 divisors (see below), whose sum is σ = 168196986. Its totient is φ = 56065660.

The previous prime is 112131317. The next prime is 112131323. The reversal of 112131322 is 223131211.

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

It can be written as a sum of positive squares in only one way, i.e., 100982401 + 11148921 = 10049^2 + 3339^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112131296 and 112131305.

It is not an unprimeable number, because it can be changed into a prime (112131323) 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 as a sum of consecutive naturals, namely, 28032829 + ... + 28032832.

Almost surely, 2^112131322 is an apocalyptic number.

112131322 is a deficient number, since it is larger than the sum of its proper divisors (56065664).

112131322 is an equidigital number, since it uses as much as digits as its factorization.

112131322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56065663.

The product of its digits is 72, while the sum is 16.

The square root of 112131322 is about 10589.2078079524. The cubic root of 112131322 is about 482.2167749067.

Adding to 112131322 its reverse (223131211), we get a palindrome (335262533).

The spelling of 112131322 in words is "one hundred twelve million, one hundred thirty-one thousand, three hundred twenty-two".