112243531 has 2 divisors, whose sum is σ = 112243532. Its totient is φ = 112243530.

The previous prime is 112243499. The next prime is 112243541. The reversal of 112243531 is 135342211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112243531 - 2⁵ = 112243499 is a prime.

It is a super-2 number, since 2×112243531² = 25197220502695922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112243541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56121765 + 56121766.

It is an arithmetic number, because the mean of its divisors is an integer number (56121766).

Almost surely, 2^112243531 is an apocalyptic number.

112243531 is a deficient number, since it is larger than the sum of its proper divisors (1).

112243531 is an equidigital number, since it uses as much as digits as its factorization.

112243531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 112243531 is about 10594.5047548246. The cubic root of 112243531 is about 482.3775715581.

Adding to 112243531 its reverse (135342211), we get a palindrome (247585742).

The spelling of 112243531 in words is "one hundred twelve million, two hundred forty-three thousand, five hundred thirty-one".