Base | Representation |
---|---|
bin | 111101000100000001… |
… | …0010100111100000111 |
3 | 110112110202201210001110 |
4 | 1322020002110330013 |
5 | 4122024110032221 |
6 | 140124011300103 |
7 | 12321361626312 |
oct | 1721002247407 |
9 | 415422653043 |
10 | 131131330311 |
11 | 50681243363 |
12 | 214b774a633 |
13 | c49a3a4b57 |
14 | 64bd841979 |
15 | 3627337776 |
hex | 1e88094f07 |
131131330311 has 8 divisors (see below), whose sum is σ = 174950175600. Its totient is φ = 87366685952.
The previous prime is 131131330277. The next prime is 131131330331. The reversal of 131131330311 is 113033131131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131131330311 - 26 = 131131330247 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131131330331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13544586 + ... + 13554263.
It is an arithmetic number, because the mean of its divisors is an integer number (21868771950).
Almost surely, 2131131330311 is an apocalyptic number.
131131330311 is a deficient number, since it is larger than the sum of its proper divisors (43818845289).
131131330311 is a wasteful number, since it uses less digits than its factorization.
131131330311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27100465.
The product of its (nonzero) digits is 243, while the sum is 21.
Adding to 131131330311 its reverse (113033131131), we get a palindrome (244164461442).
The spelling of 131131330311 in words is "one hundred thirty-one billion, one hundred thirty-one million, three hundred thirty thousand, three hundred eleven".
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