Base | Representation |
---|---|
bin | 1001000101010101011… |
… | …00001000100010010011 |
3 | 1002211120212201212021012 |
4 | 10202222230020202103 |
5 | 20103140420410311 |
6 | 355213302521135 |
7 | 31356106426013 |
oct | 4425254104223 |
9 | 1084525655235 |
10 | 312101341331 |
11 | 1103a808613a |
12 | 505a21361ab |
13 | 2357ac86600 |
14 | 1116a3bdc43 |
15 | 81b9c9b78b |
hex | 48aab08893 |
312101341331 has 6 divisors (see below), whose sum is σ = 337955890500. Its totient is φ = 288093545688.
The previous prime is 312101341313. The next prime is 312101341339. The reversal of 312101341331 is 133143101213.
It is a de Polignac number, because none of the positive numbers 2k-312101341331 is a prime.
It is a super-2 number, since 2×3121013413312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 312101341297 and 312101341306.
It is not an unprimeable number, because it can be changed into a prime (312101341339) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 923376581 + ... + 923376918.
It is an arithmetic number, because the mean of its divisors is an integer number (56325981750).
Almost surely, 2312101341331 is an apocalyptic number.
312101341331 is a deficient number, since it is larger than the sum of its proper divisors (25854549169).
312101341331 is a wasteful number, since it uses less digits than its factorization.
312101341331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1846753525 (or 1846753512 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 312101341331 its reverse (133143101213), we get a palindrome (445244442544).
The spelling of 312101341331 in words is "three hundred twelve billion, one hundred one million, three hundred forty-one thousand, three hundred thirty-one".
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