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71301317 is a prime number
BaseRepresentation
bin1000011111111…
…11100011000101
311222011111000112
410033333203011
5121223120232
611024122405
71524023363
oct417774305
9158144015
1071301317
113727a80a
121ba66405
1311a05c39
149680633
1563d64b2
hex43ff8c5

71301317 has 2 divisors, whose sum is σ = 71301318. Its totient is φ = 71301316.

The previous prime is 71301313. The next prime is 71301359. The reversal of 71301317 is 71310317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48011041 + 23290276 = 6929^2 + 4826^2 .

It is a cyclic number.

It is not a de Polignac number, because 71301317 - 22 = 71301313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71301292 and 71301301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71301313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35650658 + 35650659.

It is an arithmetic number, because the mean of its divisors is an integer number (35650659).

Almost surely, 271301317 is an apocalyptic number.

It is an amenable number.

71301317 is a deficient number, since it is larger than the sum of its proper divisors (1).

71301317 is an equidigital number, since it uses as much as digits as its factorization.

71301317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 71301317 is about 8444.0107176625. The cubic root of 71301317 is about 414.6667223107. Note that the first 3 decimals are identical.

The spelling of 71301317 in words is "seventy-one million, three hundred one thousand, three hundred seventeen".