Base | Representation |
---|---|
bin | 1101011000010… |
… | …00001110100011 |
3 | 21211011221102222 |
4 | 12230020032203 |
5 | 212212400311 |
6 | 15045301255 |
7 | 2531644022 |
oct | 654101643 |
9 | 254157388 |
10 | 112231331 |
11 | 58396073 |
12 | 3170482b |
13 | 1a336b94 |
14 | 10c968b9 |
15 | 9cbdadb |
hex | 6b083a3 |
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 = 23 ⋅5788357.
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".
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