Base | Representation |
---|---|
bin | 10010101010011… |
… | …011011100101001 |
3 | 210211011202102010 |
4 | 102222123130221 |
5 | 1120124043421 |
6 | 51023030133 |
7 | 10521261012 |
oct | 2252333451 |
9 | 724152363 |
10 | 313112361 |
11 | 15081aa51 |
12 | 88a3b349 |
13 | 4cb3c1b3 |
14 | 2d828009 |
15 | 1c74e076 |
hex | 12a9b729 |
313112361 has 4 divisors (see below), whose sum is σ = 417483152. Its totient is φ = 208741572.
The previous prime is 313112353. The next prime is 313112377. The reversal of 313112361 is 163211313.
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 not a de Polignac number, because 313112361 - 23 = 313112353 is a prime.
It is a super-2 number, since 2×3131123612 = 196078701221988642, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (313112161) 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, 52185391 + ... + 52185396.
It is an arithmetic number, because the mean of its divisors is an integer number (104370788).
Almost surely, 2313112361 is an apocalyptic number.
It is an amenable number.
313112361 is a deficient number, since it is larger than the sum of its proper divisors (104370791).
313112361 is a wasteful number, since it uses less digits than its factorization.
313112361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104370790.
The product of its digits is 324, while the sum is 21.
The square root of 313112361 is about 17694.9812376278. The cubic root of 313112361 is about 679.0473691994.
Adding to 313112361 its reverse (163211313), we get a palindrome (476323674).
The spelling of 313112361 in words is "three hundred thirteen million, one hundred twelve thousand, three hundred sixty-one".
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