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86411131 is a prime number
BaseRepresentation
bin1010010011010…
…00011101111011
320000121010210021
411021220131323
5134110124011
612324031311
72066324332
oct511503573
9200533707
1086411131
114485aa64
1224b32537
1314b96561
14b694d19
1578bd471
hex526877b

86411131 has 2 divisors, whose sum is σ = 86411132. Its totient is φ = 86411130.

The previous prime is 86411113. The next prime is 86411159. The reversal of 86411131 is 13111468.

It is a happy number.

Together with previous prime (86411113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86411131 - 25 = 86411099 is a prime.

It is a super-2 number, since 2×864111312 = 14933767121398322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86411096 and 86411105.

It is not a weakly prime, because it can be changed into another prime (86411431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43205565 + 43205566.

It is an arithmetic number, because the mean of its divisors is an integer number (43205566).

Almost surely, 286411131 is an apocalyptic number.

86411131 is a deficient number, since it is larger than the sum of its proper divisors (1).

86411131 is an equidigital number, since it uses as much as digits as its factorization.

86411131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 25.

The square root of 86411131 is about 9295.7587640816. The cubic root of 86411131 is about 442.1027637228.

Adding to 86411131 its reverse (13111468), we get a palindrome (99522599).

The spelling of 86411131 in words is "eighty-six million, four hundred eleven thousand, one hundred thirty-one".