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13232113231 is a prime number
BaseRepresentation
bin11000101001011001…
…00000011001001111
31021011011112222221211
430110230200121033
5204044410110411
610025002035251
7645622051411
oct142454403117
937134488854
1013232113231
115680201577
1226934a8b27
13132b4c0acc
148d750a9b1
15526a01221
hex314b2064f

13232113231 has 2 divisors, whose sum is σ = 13232113232. Its totient is φ = 13232113230.

The previous prime is 13232113199. The next prime is 13232113259. The reversal of 13232113231 is 13231123231.

It is a strong prime.

It is an emirp because it is prime and its reverse (13231123231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13232113231 - 25 = 13232113199 is a prime.

It is a super-2 number, since 2×132321132312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13232113291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616056615 + 6616056616.

It is an arithmetic number, because the mean of its divisors is an integer number (6616056616).

Almost surely, 213232113231 is an apocalyptic number.

13232113231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13232113231 is an equidigital number, since it uses as much as digits as its factorization.

13232113231 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 13232113231 its reverse (13231123231), we get a palindrome (26463236462).

The spelling of 13232113231 in words is "thirteen billion, two hundred thirty-two million, one hundred thirteen thousand, two hundred thirty-one".