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104231081 is a prime number
BaseRepresentation
bin1100011011001…
…11000010101001
321021010111011102
412031213002221
5203140343311
614202011145
72403643463
oct615470251
9237114142
10104231081
1153921399
122aaa6ab5
13187955c6
14dbb3133
15923d43b
hex63670a9

104231081 has 2 divisors, whose sum is σ = 104231082. Its totient is φ = 104231080.

The previous prime is 104231069. The next prime is 104231117. The reversal of 104231081 is 180132401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101687056 + 2544025 = 10084^2 + 1595^2 .

It is an emirp because it is prime and its reverse (180132401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104231081 - 214 = 104214697 is a prime.

It is a super-2 number, since 2×1042310812 = 21728236492857122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104231581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52115540 + 52115541.

It is an arithmetic number, because the mean of its divisors is an integer number (52115541).

Almost surely, 2104231081 is an apocalyptic number.

It is an amenable number.

104231081 is a deficient number, since it is larger than the sum of its proper divisors (1).

104231081 is an equidigital number, since it uses as much as digits as its factorization.

104231081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 104231081 is about 10209.3624188781. The cubic root of 104231081 is about 470.6149803896.

Adding to 104231081 its reverse (180132401), we get a palindrome (284363482).

It can be divided in two parts, 1042 and 31081, that added together give a palindrome (32123).

The spelling of 104231081 in words is "one hundred four million, two hundred thirty-one thousand, eighty-one".