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1230222313 is a prime number
BaseRepresentation
bin100100101010011…
…1011001111101001
310011201212202202101
41021110323033221
510004414103223
6322023533401
742325500655
oct11124731751
93151782671
101230222313
11581479261
122a3bba261
13167b466c8
14b9559a65
157300a4ad
hex4953b3e9

1230222313 has 2 divisors, whose sum is σ = 1230222314. Its totient is φ = 1230222312.

The previous prime is 1230222293. The next prime is 1230222341. The reversal of 1230222313 is 3132220321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1027074304 + 203148009 = 32048^2 + 14253^2 .

It is an emirp because it is prime and its reverse (3132220321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230222313 - 25 = 1230222281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230222113) 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, 615111156 + 615111157.

It is an arithmetic number, because the mean of its divisors is an integer number (615111157).

Almost surely, 21230222313 is an apocalyptic number.

It is an amenable number.

1230222313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230222313 is an equidigital number, since it uses as much as digits as its factorization.

1230222313 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 19.

The square root of 1230222313 is about 35074.5251286457. The cubic root of 1230222313 is about 1071.5058173801.

Adding to 1230222313 its reverse (3132220321), we get a palindrome (4362442634).

The spelling of 1230222313 in words is "one billion, two hundred thirty million, two hundred twenty-two thousand, three hundred thirteen".