Base | Representation |
---|---|
bin | 111101000001011011… |
… | …0110110000101111111 |
3 | 110112020201020000010210 |
4 | 1322002312312011333 |
5 | 4121334333344203 |
6 | 140111225003503 |
7 | 12316255212216 |
oct | 1720266660577 |
9 | 415221200123 |
10 | 131044434303 |
11 | 50637192082 |
12 | 21492623593 |
13 | c48539b9b3 |
14 | 64b20a207d |
15 | 361e8c0803 |
hex | 1e82db617f |
131044434303 has 4 divisors (see below), whose sum is σ = 174725912408. Its totient is φ = 87362956200.
The previous prime is 131044434281. The next prime is 131044434319. The reversal of 131044434303 is 303434440131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303434440131 = 3 ⋅101144813377.
It is not a de Polignac number, because 131044434303 - 26 = 131044434239 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131044438303) 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, 21840739048 + ... + 21840739053.
It is an arithmetic number, because the mean of its divisors is an integer number (43681478102).
Almost surely, 2131044434303 is an apocalyptic number.
131044434303 is a deficient number, since it is larger than the sum of its proper divisors (43681478105).
131044434303 is an equidigital number, since it uses as much as digits as its factorization.
131044434303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43681478104.
The product of its (nonzero) digits is 20736, while the sum is 30.
Adding to 131044434303 its reverse (303434440131), we get a palindrome (434478874434).
The spelling of 131044434303 in words is "one hundred thirty-one billion, forty-four million, four hundred thirty-four thousand, three hundred three".
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