Base | Representation |
---|---|
bin | 1001000101101110100… |
… | …11111100001101111111 |
3 | 1002212010122012110222112 |
4 | 10202313103330031333 |
5 | 20104104123300411 |
6 | 355250305404235 |
7 | 31364260401443 |
oct | 4426723741577 |
9 | 1085118173875 |
10 | 312313103231 |
11 | 1104a6671a78 |
12 | 5064103967b |
13 | 235b2acb3cc |
14 | 1118a584823 |
15 | 81cd67ab8b |
hex | 48b74fc37f |
312313103231 has 8 divisors (see below), whose sum is σ = 328998401280. Its totient is φ = 295652581848.
The previous prime is 312313103209. The next prime is 312313103251. The reversal of 312313103231 is 132301313213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 312313103231 - 226 = 312245994367 is a prime.
It is a super-2 number, since 2×3123131032312 (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 = 312313103197 and 312313103206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312313103251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6168281 + ... + 6218706.
It is an arithmetic number, because the mean of its divisors is an integer number (41124800160).
Almost surely, 2312313103231 is an apocalyptic number.
312313103231 is a deficient number, since it is larger than the sum of its proper divisors (16685298049).
312313103231 is a wasteful number, since it uses less digits than its factorization.
312313103231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12388333.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 312313103231 its reverse (132301313213), we get a palindrome (444614416444).
The spelling of 312313103231 in words is "three hundred twelve billion, three hundred thirteen million, one hundred three thousand, two hundred thirty-one".
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