Base | Representation |
---|---|
bin | 1111101000001… |
… | …11110101110001 |
3 | 100010200210000220 |
4 | 13310013311301 |
5 | 232030312423 |
6 | 21002003253 |
7 | 3151236510 |
oct | 764076561 |
9 | 303623026 |
10 | 131104113 |
11 | 68006508 |
12 | 37aa6529 |
13 | 212141ca |
14 | 135aa677 |
15 | b79a9e3 |
hex | 7d07d71 |
131104113 has 16 divisors (see below), whose sum is σ = 200050560. Its totient is φ = 74814336.
The previous prime is 131104111. The next prime is 131104147. The reversal of 131104113 is 311401131.
It is not a de Polignac number, because 131104113 - 21 = 131104111 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131104092 and 131104101.
It is not an unprimeable number, because it can be changed into a prime (131104111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13131 + ... + 20847.
It is an arithmetic number, because the mean of its divisors is an integer number (12503160).
Almost surely, 2131104113 is an apocalyptic number.
It is an amenable number.
131104113 is a deficient number, since it is larger than the sum of its proper divisors (68946447).
131104113 is an equidigital number, since it uses as much as digits as its factorization.
131104113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8536.
The product of its (nonzero) digits is 36, while the sum is 15.
The square root of 131104113 is about 11450.0704364646. The cubic root of 131104113 is about 508.0098177882.
Adding to 131104113 its reverse (311401131), we get a palindrome (442505244).
The spelling of 131104113 in words is "one hundred thirty-one million, one hundred four thousand, one hundred thirteen".
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