112213131 has 8 divisors (see below), whose sum is σ = 150454080. Its totient is φ = 74390472.

The previous prime is 112213109. The next prime is 112213169. The reversal of 112213131 is 131312211.

It is a happy number.

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

It is not a de Polignac number, because 112213131 - 2²¹ = 110115979 is a prime.

It is a super-2 number, since 2×112213131² = 25183573537646322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112213131.

It is not an unprimeable number, because it can be changed into a prime (112213331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103945 + ... + 105018.

It is an arithmetic number, because the mean of its divisors is an integer number (18806760).

Almost surely, 2^112213131 is an apocalyptic number.

112213131 is a deficient number, since it is larger than the sum of its proper divisors (38240949).

112213131 is a wasteful number, since it uses less digits than its factorization.

112213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209145.

The product of its digits is 36, while the sum is 15.

The square root of 112213131 is about 10593.0699516240. The cubic root of 112213131 is about 482.3340186331.

Adding to 112213131 its reverse (131312211), we get a palindrome (243525342).

The spelling of 112213131 in words is "one hundred twelve million, two hundred thirteen thousand, one hundred thirty-one".