Base | Representation |
---|---|
bin | 1111101010010… |
… | …10000011010001 |
3 | 100011012120001100 |
4 | 13311022003101 |
5 | 232113002223 |
6 | 21011455013 |
7 | 3153446256 |
oct | 765120321 |
9 | 304176040 |
10 | 131375313 |
11 | 68181243 |
12 | 37bb7469 |
13 | 212aa794 |
14 | 1363b42d |
15 | b801043 |
hex | 7d4a0d1 |
131375313 has 6 divisors (see below), whose sum is σ = 189764354. Its totient is φ = 87583536.
The previous prime is 131375311. The next prime is 131375317. The reversal of 131375313 is 313573131.
It can be written as a sum of positive squares in only one way, i.e., 125955729 + 5419584 = 11223^2 + 2328^2 .
It is not a de Polignac number, because 131375313 - 21 = 131375311 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131375311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7298620 + ... + 7298637.
Almost surely, 2131375313 is an apocalyptic number.
It is an amenable number.
131375313 is a deficient number, since it is larger than the sum of its proper divisors (58389041).
131375313 is a wasteful number, since it uses less digits than its factorization.
131375313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14597263 (or 14597260 counting only the distinct ones).
The product of its digits is 2835, while the sum is 27.
The square root of 131375313 is about 11461.9070402791. The cubic root of 131375313 is about 508.3598636934.
The spelling of 131375313 in words is "one hundred thirty-one million, three hundred seventy-five thousand, three hundred thirteen".
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