Base | Representation |
---|---|
bin | 1001000111100100101… |
… | …01110010011010111011 |
3 | 1002221200122200221221002 |
4 | 10203302111302122323 |
5 | 20113121140140011 |
6 | 355532444035215 |
7 | 31430644220000 |
oct | 4436225623273 |
9 | 1087618627832 |
10 | 313303443131 |
11 | 110964697aa8 |
12 | 50878832b0b |
13 | 23710035653 |
14 | 11241cd98a7 |
15 | 823a59ec3b |
hex | 48f25726bb |
313303443131 has 20 divisors (see below), whose sum is σ = 370954333992. Its totient is φ = 264537526176.
The previous prime is 313303443109. The next prime is 313303443143. The reversal of 313303443131 is 131344303313.
It is not a de Polignac number, because 313303443131 - 226 = 313236334267 is a prime.
It is a super-2 number, since 2×3133034431312 (a number of 24 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 = 313303443094 and 313303443103.
It is not an unprimeable number, because it can be changed into a prime (313303448131) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 812930 + ... + 1134663.
Almost surely, 2313303443131 is an apocalyptic number.
313303443131 is a deficient number, since it is larger than the sum of its proper divisors (57650890861).
313303443131 is an frugal number, since it uses more digits than its factorization.
313303443131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1947688 (or 1947667 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 29.
Adding to 313303443131 its reverse (131344303313), we get a palindrome (444647746444).
The spelling of 313303443131 in words is "three hundred thirteen billion, three hundred three million, four hundred forty-three thousand, one hundred thirty-one".
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