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3161010161 is a prime number
BaseRepresentation
bin1011110001101001…
…0010111111110001
322011021222221202102
42330122102333301
522433204311121
61241355230145
7141222100031
oct27432227761
98137887672
103161010161
1113823427a1
12742748355
133b4b69a1a
1421db598c1
1513779a90b
hexbc692ff1

3161010161 has 2 divisors, whose sum is σ = 3161010162. Its totient is φ = 3161010160.

The previous prime is 3161010113. The next prime is 3161010191. The reversal of 3161010161 is 1610101613.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1635717136 + 1525293025 = 40444^2 + 39055^2 .

It is an emirp because it is prime and its reverse (1610101613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3161010161 - 214 = 3160993777 is a prime.

It is not a weakly prime, because it can be changed into another prime (3161010191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580505080 + 1580505081.

It is an arithmetic number, because the mean of its divisors is an integer number (1580505081).

Almost surely, 23161010161 is an apocalyptic number.

It is an amenable number.

3161010161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161010161 is an equidigital number, since it uses as much as digits as its factorization.

3161010161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 3161010161 is about 56222.8615511519. The cubic root of 3161010161 is about 1467.6031344156.

Adding to 3161010161 its reverse (1610101613), we get a palindrome (4771111774).

The spelling of 3161010161 in words is "three billion, one hundred sixty-one million, ten thousand, one hundred sixty-one".