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12312231301 is a prime number
BaseRepresentation
bin10110111011101110…
…11011110110000101
31011210001122011011201
423131313123312011
5200203412400201
65353421502501
7614052145036
oct133567336605
934701564151
1012312231301
115248a2a677
122477411a31
131212a55986
1484b296a8d
154c0d98801
hex2ddddbd85

12312231301 has 2 divisors, whose sum is σ = 12312231302. Its totient is φ = 12312231300.

The previous prime is 12312231293. The next prime is 12312231311. The reversal of 12312231301 is 10313221321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8314704225 + 3997527076 = 91185^2 + 63226^2 .

It is a cyclic number.

It is not a de Polignac number, because 12312231301 - 23 = 12312231293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312231311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156115650 + 6156115651.

It is an arithmetic number, because the mean of its divisors is an integer number (6156115651).

Almost surely, 212312231301 is an apocalyptic number.

It is an amenable number.

12312231301 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312231301 is an equidigital number, since it uses as much as digits as its factorization.

12312231301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12312231301 its reverse (10313221321), we get a palindrome (22625452622).

The spelling of 12312231301 in words is "twelve billion, three hundred twelve million, two hundred thirty-one thousand, three hundred one".