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1320011227 is a prime number
BaseRepresentation
bin100111010101101…
…1100010111011011
310101222211111222201
41032223130113123
510200410324402
6334552231031
744465624143
oct11653342733
93358744881
101320011227
11618125a77
1230a09b477
13180623542
14c744d923
157ad44687
hex4eadc5db

1320011227 has 2 divisors, whose sum is σ = 1320011228. Its totient is φ = 1320011226.

The previous prime is 1320011213. The next prime is 1320011233. The reversal of 1320011227 is 7221100231.

It is a strong prime.

It is an emirp because it is prime and its reverse (7221100231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320011227 - 211 = 1320009179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320011207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660005613 + 660005614.

It is an arithmetic number, because the mean of its divisors is an integer number (660005614).

Almost surely, 21320011227 is an apocalyptic number.

1320011227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320011227 is an equidigital number, since it uses as much as digits as its factorization.

1320011227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1320011227 is about 36331.9587553438. The cubic root of 1320011227 is about 1096.9644204738.

Adding to 1320011227 its reverse (7221100231), we get a palindrome (8541111458).

The spelling of 1320011227 in words is "one billion, three hundred twenty million, eleven thousand, two hundred twenty-seven".