Base | Representation |
---|---|
bin | 111101001001011011… |
… | …1101110010110110011 |
3 | 110112221102202122110222 |
4 | 1322102313232112303 |
5 | 4122412123201321 |
6 | 140154023243255 |
7 | 12326026635566 |
oct | 1722267562663 |
9 | 415842678428 |
10 | 131313100211 |
11 | 50764904817 |
12 | 215485a952b |
13 | c4c8c484c7 |
14 | 64d9a3a4dd |
15 | 36382903ab |
hex | 1e92dee5b3 |
131313100211 has 4 divisors (see below), whose sum is σ = 131374549752. Its totient is φ = 131251650672.
The previous prime is 131313100207. The next prime is 131313100301. The reversal of 131313100211 is 112001313131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112001313131 = 199 ⋅562820669.
It is a cyclic number.
It is not a de Polignac number, because 131313100211 - 22 = 131313100207 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131313100211.
It is not an unprimeable number, because it can be changed into a prime (131313100411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30721565 + ... + 30725838.
It is an arithmetic number, because the mean of its divisors is an integer number (32843637438).
Almost surely, 2131313100211 is an apocalyptic number.
131313100211 is a deficient number, since it is larger than the sum of its proper divisors (61449541).
131313100211 is an equidigital number, since it uses as much as digits as its factorization.
131313100211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61449540.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 131313100211 its reverse (112001313131), we get a palindrome (243314413342).
The spelling of 131313100211 in words is "one hundred thirty-one billion, three hundred thirteen million, one hundred thousand, two hundred eleven".
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