node, 50 bytes

Result

WA

Code [DL]

(q=require("fs").write(0,q.readFileSync(0).sort())

stdin

1473570404192625468968381484287505568413133691348498461357920838306158087943617683985587127038771747

stdout

stderr

/volume/CODE:2
});
^
SyntaxError: Unexpected token }
    at createScript (vm.js:53:10)
    at Object.runInThisContext (vm.js:95:10)
    at Module._compile (module.js:543:28)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.runMain (module.js:605:10)
    at run (bootstrap_node.js:427:7)
    at startup (bootstrap_node.js:148:9)

strace