Base | Representation |
---|---|
bin | 111101001001111110… |
… | …0001000010011111001 |
3 | 110112222200111200200220 |
4 | 1322103330020103321 |
5 | 4122431221013223 |
6 | 140155503450253 |
7 | 12326335233015 |
oct | 1722374102371 |
9 | 415880450626 |
10 | 131331032313 |
11 | 50773a42438 |
12 | 215525b6989 |
13 | c4cc886610 |
14 | 64dc187545 |
15 | 3639b336e3 |
hex | 1e93f084f9 |
131331032313 has 16 divisors (see below), whose sum is σ = 188606804736. Its totient is φ = 80806705920.
The previous prime is 131331032299. The next prime is 131331032317. The reversal of 131331032313 is 313230133131.
It is not a de Polignac number, because 131331032313 - 210 = 131331031289 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131331032317) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2833 + ... + 512513.
It is an arithmetic number, because the mean of its divisors is an integer number (11787925296).
Almost surely, 2131331032313 is an apocalyptic number.
131331032313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
131331032313 is a deficient number, since it is larger than the sum of its proper divisors (57275772423).
131331032313 is a wasteful number, since it uses less digits than its factorization.
131331032313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 516304.
The product of its (nonzero) digits is 1458, while the sum is 24.
Adding to 131331032313 its reverse (313230133131), we get a palindrome (444561165444).
The spelling of 131331032313 in words is "one hundred thirty-one billion, three hundred thirty-one million, thirty-two thousand, three hundred thirteen".
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