Base | Representation |
---|---|
bin | 10010101010001… |
… | …010100101101111 |
3 | 210211001020200201 |
4 | 102222022211233 |
5 | 1120114341221 |
6 | 51021334331 |
7 | 10520552500 |
oct | 2252124557 |
9 | 724036621 |
10 | 313043311 |
11 | 150783089 |
12 | 88a073a7 |
13 | 4cb16939 |
14 | 2d80aba7 |
15 | 1c738891 |
hex | 12a8a96f |
313043311 has 12 divisors (see below), whose sum is σ = 372623592. Its totient is φ = 262081008.
The previous prime is 313043303. The next prime is 313043351. The reversal of 313043311 is 113340313.
It is not a de Polignac number, because 313043311 - 23 = 313043303 is a prime.
It is a super-2 number, since 2×3130433112 = 195992229123685442, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313043351) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72180 + ... + 76393.
It is an arithmetic number, because the mean of its divisors is an integer number (31051966).
Almost surely, 2313043311 is an apocalyptic number.
313043311 is a deficient number, since it is larger than the sum of its proper divisors (59580281).
313043311 is a wasteful number, since it uses less digits than its factorization.
313043311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148630 (or 148623 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 313043311 is about 17693.0300118436. The cubic root of 313043311 is about 678.9974492411.
Adding to 313043311 its reverse (113340313), we get a palindrome (426383624).
The spelling of 313043311 in words is "three hundred thirteen million, forty-three thousand, three hundred eleven".
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