Base | Representation |
---|---|
bin | 111101000000011011… |
… | …1010101111100000111 |
3 | 110112011101022220001011 |
4 | 1322000313111330013 |
5 | 4121302304312221 |
6 | 140104032343051 |
7 | 12315401133166 |
oct | 1720067257407 |
9 | 415141286034 |
10 | 131011010311 |
11 | 5061a333145 |
12 | 214833a4a87 |
13 | c47b49839c |
14 | 64ab8813dd |
15 | 361b9bc1e1 |
hex | 1e80dd5f07 |
131011010311 has 4 divisors (see below), whose sum is σ = 131011822872. Its totient is φ = 131010197752.
The previous prime is 131011010303. The next prime is 131011010353. The reversal of 131011010311 is 113010110131.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 113010110131 = 4889 ⋅23115179.
It is a cyclic number.
It is not a de Polignac number, because 131011010311 - 23 = 131011010303 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131011010291 and 131011010300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131011011311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73660 + ... + 517153.
It is an arithmetic number, because the mean of its divisors is an integer number (32752955718).
Almost surely, 2131011010311 is an apocalyptic number.
131011010311 is a deficient number, since it is larger than the sum of its proper divisors (812561).
131011010311 is an equidigital number, since it uses as much as digits as its factorization.
131011010311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 812560.
The product of its (nonzero) digits is 9, while the sum is 13.
Adding to 131011010311 its reverse (113010110131), we get a palindrome (244021120442).
The spelling of 131011010311 in words is "one hundred thirty-one billion, eleven million, ten thousand, three hundred eleven".
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