Base | Representation |
---|---|
bin | 100011100110111010101101… |
… | …0110001101010111011010011 |
3 | 1112001222202221201101000022122 |
4 | 1013031311122301222323103 |
5 | 312023131200313443443 |
6 | 3030051340135524455 |
7 | 122654551444335023 |
oct | 10715653261527323 |
9 | 1461882851330278 |
10 | 313212013031123 |
11 | 90887517a32508 |
12 | 2b16670552972b |
13 | 1059c9c615732b |
14 | 574b78418da83 |
15 | 263256ae11968 |
hex | 11cdd5ac6aed3 |
313212013031123 has 8 divisors (see below), whose sum is σ = 320858354540976. Its totient is φ = 305566006003200.
The previous prime is 313212013031077. The next prime is 313212013031143. The reversal of 313212013031123 is 321130310212313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 313212013031123 - 216 = 313212012965587 is a prime.
It is a super-2 number, since 2×3132120130311232 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 313212013031092 and 313212013031101.
It is not an unprimeable number, because it can be changed into a prime (313212013031143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81724286 + ... + 85470947.
It is an arithmetic number, because the mean of its divisors is an integer number (40107294317622).
Almost surely, 2313212013031123 is an apocalyptic number.
313212013031123 is a deficient number, since it is larger than the sum of its proper divisors (7646341509853).
313212013031123 is a wasteful number, since it uses less digits than its factorization.
313212013031123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167240965.
The product of its (nonzero) digits is 1944, while the sum is 26.
Adding to 313212013031123 its reverse (321130310212313), we get a palindrome (634342323243436).
The spelling of 313212013031123 in words is "three hundred thirteen trillion, two hundred twelve billion, thirteen million, thirty-one thousand, one hundred twenty-three".
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