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1333123013 is a prime number
BaseRepresentation
bin100111101110101…
…1101011111000101
310102220111122222102
41033131131133011
510212234414023
6340141241445
745015234005
oct11735353705
93386448872
101333123013
11624571062
12312563285
131832645b1
14c90a4005
157c084628
hex4f75d7c5

1333123013 has 2 divisors, whose sum is σ = 1333123014. Its totient is φ = 1333123012.

The previous prime is 1333122971. The next prime is 1333123031. The reversal of 1333123013 is 3103213331.

Together with next prime (1333123031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1308847684 + 24275329 = 36178^2 + 4927^2 .

It is an emirp because it is prime and its reverse (3103213331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1333123013 - 210 = 1333121989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1333123513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666561506 + 666561507.

It is an arithmetic number, because the mean of its divisors is an integer number (666561507).

Almost surely, 21333123013 is an apocalyptic number.

It is an amenable number.

1333123013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333123013 is an equidigital number, since it uses as much as digits as its factorization.

1333123013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 1333123013 is about 36511.9571236602. The cubic root of 1333123013 is about 1100.5845413851.

Adding to 1333123013 its reverse (3103213331), we get a palindrome (4436336344).

The spelling of 1333123013 in words is "one billion, three hundred thirty-three million, one hundred twenty-three thousand, thirteen".