Base | Representation |
---|---|
bin | 1111101001111… |
… | …01110001110001 |
3 | 100011010000002102 |
4 | 13310331301301 |
5 | 232104400131 |
6 | 21010430145 |
7 | 3153146561 |
oct | 764756161 |
9 | 304100072 |
10 | 131325041 |
11 | 681474a1 |
12 | 37b92355 |
13 | 21290933 |
14 | 13626da1 |
15 | b7e11cb |
hex | 7d3dc71 |
131325041 has 2 divisors, whose sum is σ = 131325042. Its totient is φ = 131325040.
The previous prime is 131325023. The next prime is 131325109. The reversal of 131325041 is 140523131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 89851441 + 41473600 = 9479^2 + 6440^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131325041 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (131325001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65662520 + 65662521.
It is an arithmetic number, because the mean of its divisors is an integer number (65662521).
Almost surely, 2131325041 is an apocalyptic number.
It is an amenable number.
131325041 is a deficient number, since it is larger than the sum of its proper divisors (1).
131325041 is an equidigital number, since it uses as much as digits as its factorization.
131325041 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 131325041 is about 11459.7138271425. The cubic root of 131325041 is about 508.2950125253.
Adding to 131325041 its reverse (140523131), we get a palindrome (271848172).
The spelling of 131325041 in words is "one hundred thirty-one million, three hundred twenty-five thousand, forty-one".
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