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12232230331 is a prime number
BaseRepresentation
bin10110110010001100…
…10000010110111011
31011120111002200110211
423121012100112323
5200022422332311
65341443051551
7612061146046
oct133106202673
934514080424
1012232230331
115207858772
122454670bb7
1311cc2c5019
148407cdc5d
154b8d44821
hex2d91905bb

12232230331 has 2 divisors, whose sum is σ = 12232230332. Its totient is φ = 12232230330.

The previous prime is 12232230319. The next prime is 12232230349. The reversal of 12232230331 is 13303223221.

12232230331 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 a cyclic number.

It is not a de Polignac number, because 12232230331 - 29 = 12232229819 is a prime.

It is a super-2 number, since 2×122322303312 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12232230431) 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, 6116115165 + 6116115166.

It is an arithmetic number, because the mean of its divisors is an integer number (6116115166).

Almost surely, 212232230331 is an apocalyptic number.

12232230331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232230331 is an equidigital number, since it uses as much as digits as its factorization.

12232230331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12232230331 its reverse (13303223221), we get a palindrome (25535453552).

The spelling of 12232230331 in words is "twelve billion, two hundred thirty-two million, two hundred thirty thousand, three hundred thirty-one".