Base | Representation |
---|---|
bin | 1111101001110… |
… | …00001011010001 |
3 | 100011001211121122 |
4 | 13310320023101 |
5 | 232103131342 |
6 | 21010132025 |
7 | 3153022643 |
oct | 764701321 |
9 | 304054548 |
10 | 131302097 |
11 | 68131233 |
12 | 37b81015 |
13 | 21283364 |
14 | 1361c893 |
15 | b7d94d2 |
hex | 7d382d1 |
131302097 has 2 divisors, whose sum is σ = 131302098. Its totient is φ = 131302096.
The previous prime is 131302079. The next prime is 131302109. The reversal of 131302097 is 790203131.
Together with previous prime (131302079) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 71842576 + 59459521 = 8476^2 + 7711^2 .
It is a cyclic number.
It is not a de Polignac number, because 131302097 - 216 = 131236561 is a prime.
It is not a weakly prime, because it can be changed into another prime (131302037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651048 + 65651049.
It is an arithmetic number, because the mean of its divisors is an integer number (65651049).
Almost surely, 2131302097 is an apocalyptic number.
It is an amenable number.
131302097 is a deficient number, since it is larger than the sum of its proper divisors (1).
131302097 is an equidigital number, since it uses as much as digits as its factorization.
131302097 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1134, while the sum is 26.
The square root of 131302097 is about 11458.7127112953. The cubic root of 131302097 is about 508.2654091332.
The spelling of 131302097 in words is "one hundred thirty-one million, three hundred two thousand, ninety-seven".
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