Base | Representation |
---|---|
bin | 1111101011100… |
… | …00110111011101 |
3 | 100011111122010210 |
4 | 13311300313131 |
5 | 232133044201 |
6 | 21015123033 |
7 | 3155010633 |
oct | 765606735 |
9 | 304448123 |
10 | 131534301 |
11 | 6827a738 |
12 | 38073479 |
13 | 21334c62 |
14 | 1367d353 |
15 | b8331d6 |
hex | 7d70ddd |
131534301 has 4 divisors (see below), whose sum is σ = 175379072. Its totient is φ = 87689532.
The previous prime is 131534279. The next prime is 131534311. The reversal of 131534301 is 103435131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 103435131 = 3 ⋅34478377.
It is not a de Polignac number, because 131534301 - 25 = 131534269 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 (131534311) 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, 21922381 + ... + 21922386.
It is an arithmetic number, because the mean of its divisors is an integer number (43844768).
Almost surely, 2131534301 is an apocalyptic number.
It is an amenable number.
131534301 is a deficient number, since it is larger than the sum of its proper divisors (43844771).
131534301 is an equidigital number, since it uses as much as digits as its factorization.
131534301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43844770.
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 131534301 is about 11468.8404383355. The cubic root of 131534301 is about 508.5648502938.
Adding to 131534301 its reverse (103435131), we get a palindrome (234969432).
The spelling of 131534301 in words is "one hundred thirty-one million, five hundred thirty-four thousand, three hundred one".
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