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3161661353 is a prime number
BaseRepresentation
bin1011110001110011…
…0001111110101001
322011100020001000122
42330130301332221
522433341130403
61241421213025
7141230451404
oct27434617651
98140201018
103161661353
111382747a74
12742a01175
133b5037246
1421dc88d3b
15137878838
hexbc731fa9

3161661353 has 2 divisors, whose sum is σ = 3161661354. Its totient is φ = 3161661352.

The previous prime is 3161661341. The next prime is 3161661367. The reversal of 3161661353 is 3531661613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2837373289 + 324288064 = 53267^2 + 18008^2 .

It is a cyclic number.

It is not a de Polignac number, because 3161661353 - 210 = 3161660329 is a prime.

It is a super-2 number, since 2×31616613532 = 19992205022107581218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3161661383) 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, 1580830676 + 1580830677.

It is an arithmetic number, because the mean of its divisors is an integer number (1580830677).

Almost surely, 23161661353 is an apocalyptic number.

It is an amenable number.

3161661353 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161661353 is an equidigital number, since it uses as much as digits as its factorization.

3161661353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 35.

The square root of 3161661353 is about 56228.6524202741. The cubic root of 3161661353 is about 1467.7039066110.

The spelling of 3161661353 in words is "three billion, one hundred sixty-one million, six hundred sixty-one thousand, three hundred fifty-three".