Base | Representation |
---|---|
bin | 111101001001000111… |
… | …0100100110000111001 |
3 | 110112220200110121020021 |
4 | 1322102032210300321 |
5 | 4122401343004032 |
6 | 140153000130441 |
7 | 12325536150211 |
oct | 1722216446071 |
9 | 415820417207 |
10 | 131302313017 |
11 | 50759807187 |
12 | 21544a66a21 |
13 | c4c693c555 |
14 | 64d842d241 |
15 | 363735e097 |
hex | 1e923a4c39 |
131302313017 has 2 divisors, whose sum is σ = 131302313018. Its totient is φ = 131302313016.
The previous prime is 131302313011. The next prime is 131302313029. The reversal of 131302313017 is 710313203131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 117360371241 + 13941941776 = 342579^2 + 118076^2 .
It is a cyclic number.
It is not a de Polignac number, because 131302313017 - 223 = 131293924409 is a prime.
It is a super-2 number, since 2×1313023130172 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131302312982 and 131302313000.
It is not a weakly prime, because it can be changed into another prime (131302313011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651156508 + 65651156509.
It is an arithmetic number, because the mean of its divisors is an integer number (65651156509).
Almost surely, 2131302313017 is an apocalyptic number.
It is an amenable number.
131302313017 is a deficient number, since it is larger than the sum of its proper divisors (1).
131302313017 is an equidigital number, since it uses as much as digits as its factorization.
131302313017 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1134, while the sum is 25.
Adding to 131302313017 its reverse (710313203131), we get a palindrome (841615516148).
The spelling of 131302313017 in words is "one hundred thirty-one billion, three hundred two million, three hundred thirteen thousand, seventeen".
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