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12331142071 is a prime number
BaseRepresentation
bin10110111101111111…
…00100101110110111
31011211101012220212121
423132333210232313
5200223233021241
65355335100411
7614401656343
oct133677445667
934741186777
1012331142071
115258676606
122481811707
131216947391
1484d9ba623
154c2881ad1
hex2defe4bb7

12331142071 has 2 divisors, whose sum is σ = 12331142072. Its totient is φ = 12331142070.

The previous prime is 12331142039. The next prime is 12331142129. The reversal of 12331142071 is 17024113321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12331142071 - 25 = 12331142039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12331142771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165571035 + 6165571036.

It is an arithmetic number, because the mean of its divisors is an integer number (6165571036).

Almost surely, 212331142071 is an apocalyptic number.

12331142071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331142071 is an equidigital number, since it uses as much as digits as its factorization.

12331142071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 12331142071 its reverse (17024113321), we get a palindrome (29355255392).

The spelling of 12331142071 in words is "twelve billion, three hundred thirty-one million, one hundred forty-two thousand, seventy-one".