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12112323331 is a prime number
BaseRepresentation
bin10110100011111001…
…10110001100000011
31011021010110202222211
423101330312030003
5144301223321311
65321521042551
7606104023003
oct132174661403
934233422884
1012112323331
1151560aa879
122420486457
1311b0501534
1482c8da003
154ad55b821
hex2d1f36303

12112323331 has 2 divisors, whose sum is σ = 12112323332. Its totient is φ = 12112323330.

The previous prime is 12112323283. The next prime is 12112323343. The reversal of 12112323331 is 13332321121.

12112323331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12112323331 - 223 = 12103934723 is a prime.

It is a super-2 number, since 2×121123233312 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12112363331) 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, 6056161665 + 6056161666.

It is an arithmetic number, because the mean of its divisors is an integer number (6056161666).

Almost surely, 212112323331 is an apocalyptic number.

12112323331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112323331 is an equidigital number, since it uses as much as digits as its factorization.

12112323331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

Adding to 12112323331 its reverse (13332321121), we get a palindrome (25444644452).

The spelling of 12112323331 in words is "twelve billion, one hundred twelve million, three hundred twenty-three thousand, three hundred thirty-one".