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317067161 is a prime number
BaseRepresentation
bin10010111001100…
…000111110011001
3211002121200101012
4102321200332121
51122132122121
651243503305
710600012025
oct2271407631
9732550335
10317067161
11152a81284
128a227b35
13508c5308
1430177385
151cc80c5b
hex12e60f99

317067161 has 2 divisors, whose sum is σ = 317067162. Its totient is φ = 317067160.

The previous prime is 317067143. The next prime is 317067169. The reversal of 317067161 is 161760713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304711936 + 12355225 = 17456^2 + 3515^2 .

It is a cyclic number.

It is not a de Polignac number, because 317067161 - 210 = 317066137 is a prime.

It is not a weakly prime, because it can be changed into another prime (317067169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158533580 + 158533581.

It is an arithmetic number, because the mean of its divisors is an integer number (158533581).

Almost surely, 2317067161 is an apocalyptic number.

It is an amenable number.

317067161 is a deficient number, since it is larger than the sum of its proper divisors (1).

317067161 is an equidigital number, since it uses as much as digits as its factorization.

317067161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 317067161 is about 17806.3797836618. The cubic root of 317067161 is about 681.8943437027.

The spelling of 317067161 in words is "three hundred seventeen million, sixty-seven thousand, one hundred sixty-one".