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12303020231 is a prime number
BaseRepresentation
bin10110111010101000…
…10011000011000111
31011202102022011221222
423131110103003013
5200144033121411
65352452230555
7613610642435
oct133524230307
934672264858
1012303020231
115243809217
12247430b45b
131210b7c238
14849d79d55
154c01794db
hex2dd5130c7

12303020231 has 2 divisors, whose sum is σ = 12303020232. Its totient is φ = 12303020230.

The previous prime is 12303020227. The next prime is 12303020263. The reversal of 12303020231 is 13202030321.

12303020231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13202030321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12303020231 - 22 = 12303020227 is a prime.

It is a super-2 number, since 2×123030202312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12303020281) 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, 6151510115 + 6151510116.

It is an arithmetic number, because the mean of its divisors is an integer number (6151510116).

Almost surely, 212303020231 is an apocalyptic number.

12303020231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303020231 is an equidigital number, since it uses as much as digits as its factorization.

12303020231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12303020231 its reverse (13202030321), we get a palindrome (25505050552).

The spelling of 12303020231 in words is "twelve billion, three hundred three million, twenty thousand, two hundred thirty-one".