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1085706131 is a prime number
BaseRepresentation
bin100000010110110…
…1000111110010011
32210122221120211012
41000231220332103
54210420044011
6255422241135
735622230666
oct10055507623
92718846735
101085706131
115079420a4
122637261ab
13143c17883
14a429b6dd
15654b0a8b
hex40b68f93

1085706131 has 2 divisors, whose sum is σ = 1085706132. Its totient is φ = 1085706130.

The previous prime is 1085706119. The next prime is 1085706161. The reversal of 1085706131 is 1316075801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1085706131 - 26 = 1085706067 is a prime.

It is a super-2 number, since 2×10857061312 = 2357515605781978322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1085706101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542853065 + 542853066.

It is an arithmetic number, because the mean of its divisors is an integer number (542853066).

Almost surely, 21085706131 is an apocalyptic number.

1085706131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085706131 is an equidigital number, since it uses as much as digits as its factorization.

1085706131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1085706131 is about 32950.0550985882. The cubic root of 1085706131 is about 1027.7893111273.

The spelling of 1085706131 in words is "one billion, eighty-five million, seven hundred six thousand, one hundred thirty-one".