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113330221 is a prime number
BaseRepresentation
bin1101100000101…
…00100000101101
321220020202211121
412300110200231
5213003031341
615125020541
72544201544
oct660244055
9256222747
10113330221
1158a76744
1231b54751
131a630104
14110a115b
159e394d1
hex6c1482d

113330221 has 2 divisors, whose sum is σ = 113330222. Its totient is φ = 113330220.

The previous prime is 113330183. The next prime is 113330233. The reversal of 113330221 is 122033311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96314596 + 17015625 = 9814^2 + 4125^2 .

It is an emirp because it is prime and its reverse (122033311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113330221 - 215 = 113297453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113330195 and 113330204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113330251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56665110 + 56665111.

It is an arithmetic number, because the mean of its divisors is an integer number (56665111).

Almost surely, 2113330221 is an apocalyptic number.

It is an amenable number.

113330221 is a deficient number, since it is larger than the sum of its proper divisors (1).

113330221 is an equidigital number, since it uses as much as digits as its factorization.

113330221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113330221 is about 10645.6667710388. Note that the first 3 decimals coincide. The cubic root of 113330221 is about 483.9292935097.

Adding to 113330221 its reverse (122033311), we get a palindrome (235363532).

The spelling of 113330221 in words is "one hundred thirteen million, three hundred thirty thousand, two hundred twenty-one".