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113130211 is a prime number
BaseRepresentation
bin1101011111000…
…11101011100011
321212212121110211
412233203223203
5212430131321
615120434551
72542406455
oct657435343
9255777424
10113130211
115894a447
1231a78a57
131a59006c
141104c2d5
159dea0e1
hex6be3ae3

113130211 has 2 divisors, whose sum is σ = 113130212. Its totient is φ = 113130210.

The previous prime is 113130209. The next prime is 113130221. The reversal of 113130211 is 112031311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113130211 - 21 = 113130209 is a prime.

Together with 113130209, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 113130191 and 113130200.

It is not a weakly prime, because it can be changed into another prime (113130221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56565105 + 56565106.

It is an arithmetic number, because the mean of its divisors is an integer number (56565106).

Almost surely, 2113130211 is an apocalyptic number.

113130211 is a deficient number, since it is larger than the sum of its proper divisors (1).

113130211 is an equidigital number, since it uses as much as digits as its factorization.

113130211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 113130211 is about 10636.2686596381. The cubic root of 113130211 is about 483.6444395283.

Adding to 113130211 its reverse (112031311), we get a palindrome (225161522).

The spelling of 113130211 in words is "one hundred thirteen million, one hundred thirty thousand, two hundred eleven".