Base | Representation |
---|---|
bin | 111101001001111110… |
… | …0000110000111010001 |
3 | 110112222200111020100120 |
4 | 1322103330012013101 |
5 | 4122431220221223 |
6 | 140155503340453 |
7 | 12326335164540 |
oct | 1722374060721 |
9 | 415880436316 |
10 | 131331023313 |
11 | 50773a366a6 |
12 | 215525b1729 |
13 | c4cc8824a9 |
14 | 64dc184157 |
15 | 3639b30be3 |
hex | 1e93f061d1 |
131331023313 has 32 divisors (see below), whose sum is σ = 206688018432. Its totient is φ = 72587145600.
The previous prime is 131331023311. The next prime is 131331023353. The reversal of 131331023313 is 313320133131.
It is not a de Polignac number, because 131331023313 - 21 = 131331023311 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131331023311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1204845 + ... + 1309317.
It is an arithmetic number, because the mean of its divisors is an integer number (6459000576).
Almost surely, 2131331023313 is an apocalyptic number.
It is an amenable number.
131331023313 is a deficient number, since it is larger than the sum of its proper divisors (75356995119).
131331023313 is a wasteful number, since it uses less digits than its factorization.
131331023313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106445.
The product of its (nonzero) digits is 1458, while the sum is 24.
Adding to 131331023313 its reverse (313320133131), we get a palindrome (444651156444).
The spelling of 131331023313 in words is "one hundred thirty-one billion, three hundred thirty-one million, twenty-three thousand, three hundred thirteen".
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