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BaseRepresentation
bin11011011001100111
312200221201
4123121213
512042411
62223331
7645130
oct333147
9180851
10112231
1177359
1254b47
133c112
142cc87
15233c1
hex1b667

112231 has 4 divisors (see below), whose sum is σ = 128272. Its totient is φ = 96192.

The previous prime is 112223. The next prime is 112237. The reversal of 112231 is 132211.

Adding to 112231 its reverse (132211), we get a palindrome (244442).

It can be divided in two parts, 112 and 231, that added together give a palindrome (343).

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

It is a cyclic number.

It is not a de Polignac number, because 112231 - 23 = 112223 is a prime.

It is a super-2 number, since 2×1122312 = 25191594722, 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 (112237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8010 + ... + 8023.

It is an arithmetic number, because the mean of its divisors is an integer number (32068).

2112231 is an apocalyptic number.

112231 is a deficient number, since it is larger than the sum of its proper divisors (16041).

112231 is an equidigital number, since it uses as much as digits as its factorization.

112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16040.

The product of its digits is 12, while the sum is 10.

The square root of 112231 is about 335.0089551042. The cubic root of 112231 is about 48.2359619823.

The spelling of 112231 in words is "one hundred twelve thousand, two hundred thirty-one".

Divisors: 1 7 16033 112231