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1111344217 is a prime number
BaseRepresentation
bin100001000111101…
…1100010001011001
32212110012010122221
41002033130101121
54234001003332
6302135544041
736353161414
oct10217342131
92773163587
101111344217
115203633a5
1227022b021
13149323339
14a7852b7b
1567877297
hex423dc459

1111344217 has 2 divisors, whose sum is σ = 1111344218. Its totient is φ = 1111344216.

The previous prime is 1111344197. The next prime is 1111344239. The reversal of 1111344217 is 7124431111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1101509721 + 9834496 = 33189^2 + 3136^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111344217 - 227 = 977126489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111344191 and 1111344200.

It is not a weakly prime, because it can be changed into another prime (1111344317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555672108 + 555672109.

It is an arithmetic number, because the mean of its divisors is an integer number (555672109).

Almost surely, 21111344217 is an apocalyptic number.

It is an amenable number.

1111344217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111344217 is an equidigital number, since it uses as much as digits as its factorization.

1111344217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 25.

The square root of 1111344217 is about 33336.8297382940. The cubic root of 1111344217 is about 1035.8165950061.

Adding to 1111344217 its reverse (7124431111), we get a palindrome (8235775328).

The spelling of 1111344217 in words is "one billion, one hundred eleven million, three hundred forty-four thousand, two hundred seventeen".