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112231331 = 176601843
BaseRepresentation
bin1101011000010…
…00001110100011
321211011221102222
412230020032203
5212212400311
615045301255
72531644022
oct654101643
9254157388
10112231331
1158396073
123170482b
131a336b94
1410c968b9
159cbdadb
hex6b083a3

112231331 has 4 divisors (see below), whose sum is σ = 118833192. Its totient is φ = 105629472.

The previous prime is 112231321. The next prime is 112231349. The reversal of 112231331 is 133132211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133132211 = 235788357.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112231331 is a prime.

It is a super-2 number, since 2×1122313312 = 25191743316063122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 6601843 = 112231331 / (1 + 1 + 2 + 2 + 3 + 1 + 3 + 3 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112231321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3300905 + ... + 3300938.

It is an arithmetic number, because the mean of its divisors is an integer number (29708298).

Almost surely, 2112231331 is an apocalyptic number.

112231331 is a deficient number, since it is larger than the sum of its proper divisors (6601861).

112231331 is an equidigital number, since it uses as much as digits as its factorization.

112231331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6601860.

The product of its digits is 108, while the sum is 17.

The square root of 112231331 is about 10593.9289689897. The cubic root of 112231331 is about 482.3600940264.

Adding to 112231331 its reverse (133132211), we get a palindrome (245363542).

The spelling of 112231331 in words is "one hundred twelve million, two hundred thirty-one thousand, three hundred thirty-one".

Divisors: 1 17 6601843 112231331