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1231014233 is a prime number
BaseRepresentation
bin100100101011111…
…1100100101011001
310011210101000001202
41021113330211121
510010114423413
6322052523545
742335306531
oct11127744531
93153330052
101231014233
1158196a239
122a43205b5
13168062cb7
14b96c44c1
1573114e58
hex495fc959

1231014233 has 2 divisors, whose sum is σ = 1231014234. Its totient is φ = 1231014232.

The previous prime is 1231014227. The next prime is 1231014311. The reversal of 1231014233 is 3324101321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 846344464 + 384669769 = 29092^2 + 19613^2 .

It is an emirp because it is prime and its reverse (3324101321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1231014233 - 210 = 1231013209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1231014133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615507116 + 615507117.

It is an arithmetic number, because the mean of its divisors is an integer number (615507117).

Almost surely, 21231014233 is an apocalyptic number.

It is an amenable number.

1231014233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231014233 is an equidigital number, since it uses as much as digits as its factorization.

1231014233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1231014233 is about 35085.8124175570. The cubic root of 1231014233 is about 1071.7356850139.

Adding to 1231014233 its reverse (3324101321), we get a palindrome (4555115554).

The spelling of 1231014233 in words is "one billion, two hundred thirty-one million, fourteen thousand, two hundred thirty-three".