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3160731317 = 5701554417
BaseRepresentation
bin1011110001100100…
…1110111010110101
322011021110210020212
42330121032322311
522433121400232
61241345235205
7141216526052
oct27431167265
98137423225
103160731317
111382172247
12742632b05
133b4a9cb23
1421dac6029
15137742eb2
hexbc64eeb5

3160731317 has 4 divisors (see below), whose sum is σ = 3161291436. Its totient is φ = 3160171200.

The previous prime is 3160731311. The next prime is 3160731331. The reversal of 3160731317 is 7131370613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7131370613 = 17419492389.

It can be written as a sum of positive squares in 2 ways, for example, as 978813796 + 2181917521 = 31286^2 + 46711^2 .

It is a cyclic number.

It is not a de Polignac number, because 3160731317 - 28 = 3160731061 is a prime.

It is a super-3 number, since 3×31607313173 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3160731311) 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 in 3 ways as a sum of consecutive naturals, for example, 271508 + ... + 282909.

It is an arithmetic number, because the mean of its divisors is an integer number (790322859).

Almost surely, 23160731317 is an apocalyptic number.

It is an amenable number.

3160731317 is a deficient number, since it is larger than the sum of its proper divisors (560119).

3160731317 is an equidigital number, since it uses as much as digits as its factorization.

3160731317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560118.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 3160731317 is about 56220.3816867157. The cubic root of 3160731317 is about 1467.5599789746.

The spelling of 3160731317 in words is "three billion, one hundred sixty million, seven hundred thirty-one thousand, three hundred seventeen".

Divisors: 1 5701 554417 3160731317