Base | Representation |
---|---|
bin | 10010101010110… |
… | …001001001011001 |
3 | 210211100021022222 |
4 | 102222301021121 |
5 | 1120134414431 |
6 | 51024553425 |
7 | 10522111103 |
oct | 2252611131 |
9 | 724307288 |
10 | 313201241 |
11 | 150880801 |
12 | 88a82875 |
13 | 4cb707a2 |
14 | 2d84c573 |
15 | 1c76a57b |
hex | 12ab1259 |
313201241 has 4 divisors (see below), whose sum is σ = 313277952. Its totient is φ = 313124532.
The previous prime is 313201237. The next prime is 313201249. The reversal of 313201241 is 142102313.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 313201241 - 22 = 313201237 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (313201249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31865 + ... + 40518.
It is an arithmetic number, because the mean of its divisors is an integer number (78319488).
Almost surely, 2313201241 is an apocalyptic number.
It is an amenable number.
313201241 is a deficient number, since it is larger than the sum of its proper divisors (76711).
313201241 is an equidigital number, since it uses as much as digits as its factorization.
313201241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76710.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 313201241 is about 17697.4925060021. The cubic root of 313201241 is about 679.1116145289. Note that the first 3 decimals are identical.
Adding to 313201241 its reverse (142102313), we get a palindrome (455303554).
The spelling of 313201241 in words is "three hundred thirteen million, two hundred one thousand, two hundred forty-one".
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