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12231302311 is a prime number
BaseRepresentation
bin10110110010000101…
…01101110010100111
31011120102100112110201
423121002231302213
5200022203133221
65341411131331
7612050232334
oct133102556247
934512315421
1012231302311
115207284508
1224542a3b47
1311cc05b7b7
1484062b98b
154b8c0e891
hex2d90adca7

12231302311 has 2 divisors, whose sum is σ = 12231302312. Its totient is φ = 12231302310.

The previous prime is 12231302297. The next prime is 12231302329. The reversal of 12231302311 is 11320313221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12231302311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231302911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115651155 + 6115651156.

It is an arithmetic number, because the mean of its divisors is an integer number (6115651156).

Almost surely, 212231302311 is an apocalyptic number.

12231302311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231302311 is an equidigital number, since it uses as much as digits as its factorization.

12231302311 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 12231302311 its reverse (11320313221), we get a palindrome (23551615532).

The spelling of 12231302311 in words is "twelve billion, two hundred thirty-one million, three hundred two thousand, three hundred eleven".