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1330111213 is a prime number
BaseRepresentation
bin100111101000111…
…1110001011101101
310102200211122120021
41033101332023231
510211002024323
6335552522141
744650521154
oct11721761355
93380748507
101330111213
116228a4272
12311550351
1318274b772
14c891c59b
157bb8c05d
hex4f47e2ed

1330111213 has 2 divisors, whose sum is σ = 1330111214. Its totient is φ = 1330111212.

The previous prime is 1330111199. The next prime is 1330111249. The reversal of 1330111213 is 3121110331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1102040809 + 228070404 = 33197^2 + 15102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1330111213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330111273) 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, 665055606 + 665055607.

It is an arithmetic number, because the mean of its divisors is an integer number (665055607).

Almost surely, 21330111213 is an apocalyptic number.

It is an amenable number.

1330111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330111213 is an equidigital number, since it uses as much as digits as its factorization.

1330111213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1330111213 is about 36470.6897796025. The cubic root of 1330111213 is about 1099.7551005771.

Adding to 1330111213 its reverse (3121110331), we get a palindrome (4451221544).

The spelling of 1330111213 in words is "one billion, three hundred thirty million, one hundred eleven thousand, two hundred thirteen".