Base | Representation |
---|---|
bin | 1001000111010000010… |
… | …00001010111011001001 |
3 | 1002221020201021220011010 |
4 | 10203220020022323021 |
5 | 20112243304220241 |
6 | 355503443354133 |
7 | 31423463642124 |
oct | 4435010127311 |
9 | 1087221256133 |
10 | 313132101321 |
11 | 1108869a93a6 |
12 | 5082b382949 |
13 | 236b36a3670 |
14 | 112272573bb |
15 | 822a506d16 |
hex | 48e820aec9 |
313132101321 has 32 divisors (see below), whose sum is σ = 454556551680. Its totient is φ = 190585995264.
The previous prime is 313132101311. The next prime is 313132101361. The reversal of 313132101321 is 123101231313.
It is a happy number.
It is not a de Polignac number, because 313132101321 - 27 = 313132101193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (313132101311) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5962345 + ... + 6014633.
It is an arithmetic number, because the mean of its divisors is an integer number (14204892240).
Almost surely, 2313132101321 is an apocalyptic number.
It is an amenable number.
313132101321 is a deficient number, since it is larger than the sum of its proper divisors (141424450359).
313132101321 is a wasteful number, since it uses less digits than its factorization.
313132101321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53985.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 313132101321 its reverse (123101231313), we get a palindrome (436233332634).
The spelling of 313132101321 in words is "three hundred thirteen billion, one hundred thirty-two million, one hundred one thousand, three hundred twenty-one".
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