Base | Representation |
---|---|
bin | 10010101010000… |
… | …111011010101001 |
3 | 210211000120212022 |
4 | 102222013122221 |
5 | 1120113432223 |
6 | 51021154225 |
7 | 10520466551 |
oct | 2252073251 |
9 | 724016768 |
10 | 313030313 |
11 | 150774342 |
12 | 889bb975 |
13 | 4cb10a4b |
14 | 2d806161 |
15 | 1c734ac8 |
hex | 12a876a9 |
313030313 has 4 divisors (see below), whose sum is σ = 313148160. Its totient is φ = 312912468.
The previous prime is 313030309. The next prime is 313030331.
313030313 is nontrivially palindromic in base 10.
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 313030313 - 22 = 313030309 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 313030291 and 313030300.
It is not an unprimeable number, because it can be changed into a prime (313030373) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54845 + ... + 60282.
It is an arithmetic number, because the mean of its divisors is an integer number (78287040).
Almost surely, 2313030313 is an apocalyptic number.
It is an amenable number.
313030313 is a deficient number, since it is larger than the sum of its proper divisors (117847).
313030313 is a wasteful number, since it uses less digits than its factorization.
313030313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117846.
The product of its (nonzero) digits is 243, while the sum is 17.
The square root of 313030313 is about 17692.6626882445. The cubic root of 313030313 is about 678.9880514670.
The spelling of 313030313 in words is "three hundred thirteen million, thirty thousand, three hundred thirteen".
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