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131098273 is a prime number
BaseRepresentation
bin1111101000001…
…10011010100001
3100010200111000121
413310012122201
5232030121043
621001520241
73151213465
oct764063241
9303614017
10131098273
1168002089
1237aa3081
1321211657
14135a84a5
15b798ded
hex7d066a1

131098273 has 2 divisors, whose sum is σ = 131098274. Its totient is φ = 131098272.

The previous prime is 131098259. The next prime is 131098277. The reversal of 131098273 is 372890131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76160529 + 54937744 = 8727^2 + 7412^2 .

It is an emirp because it is prime and its reverse (372890131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131098273 is a prime.

It is not a weakly prime, because it can be changed into another prime (131098277) 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 as a sum of consecutive naturals, namely, 65549136 + 65549137.

It is an arithmetic number, because the mean of its divisors is an integer number (65549137).

Almost surely, 2131098273 is an apocalyptic number.

It is an amenable number.

131098273 is a deficient number, since it is larger than the sum of its proper divisors (1).

131098273 is an equidigital number, since it uses as much as digits as its factorization.

131098273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 131098273 is about 11449.8154133593. The cubic root of 131098273 is about 508.0022746194.

The spelling of 131098273 in words is "one hundred thirty-one million, ninety-eight thousand, two hundred seventy-three".