Base | Representation |
---|---|
bin | 111011111100010… |
… | …0010100011111011 |
3 | 12012011122011002020 |
4 | 1313320202203323 |
5 | 13104343412311 |
6 | 531325205523 |
7 | 100561566342 |
oct | 16770424373 |
9 | 5164564066 |
10 | 2011310331 |
11 | 942372248 |
12 | 4817008a3 |
13 | 260907474 |
14 | 1511a0b59 |
15 | bb898c06 |
hex | 77e228fb |
2011310331 has 8 divisors (see below), whose sum is σ = 2682446400. Its totient is φ = 1340523912.
The previous prime is 2011310299. The next prime is 2011310363. The reversal of 2011310331 is 1330131102.
It is an interprime number because it is at equal distance from previous prime (2011310299) and next prime (2011310363).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2011310331 - 25 = 2011310299 is a prime.
It is a super-2 number, since 2×20113103312 = 8090738495174659122, 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 2011310331.
It is not an unprimeable number, because it can be changed into a prime (2011310731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73681 + ... + 97218.
It is an arithmetic number, because the mean of its divisors is an integer number (335305800).
Almost surely, 22011310331 is an apocalyptic number.
2011310331 is a deficient number, since it is larger than the sum of its proper divisors (671136069).
2011310331 is a wasteful number, since it uses less digits than its factorization.
2011310331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174825.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 2011310331 is about 44847.6346198994. The cubic root of 2011310331 is about 1262.2916075475.
Adding to 2011310331 its reverse (1330131102), we get a palindrome (3341441433).
The spelling of 2011310331 in words is "two billion, eleven million, three hundred ten thousand, three hundred thirty-one".
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