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12231313211 = 131019315547
BaseRepresentation
bin10110110010000101…
…10000011100111011
31011120102101002102102
423121002300130323
5200022204010321
65341411254015
7612050306165
oct133102603473
934512332372
1012231313211
115207291717
1224542aa30b
1311cc063750
14840631935
154b8c12c0b
hex2d90b073b

12231313211 has 8 divisors (see below), whose sum is σ = 13302602544. Its totient is φ = 11178655200.

The previous prime is 12231313189. The next prime is 12231313219. The reversal of 12231313211 is 11231313221.

It is a happy number.

12231313211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12231313211 - 226 = 12164204347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12231313219) 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 in 7 ways as a sum of consecutive naturals, for example, 4656461 + ... + 4659086.

It is an arithmetic number, because the mean of its divisors is an integer number (1662825318).

Almost surely, 212231313211 is an apocalyptic number.

12231313211 is a deficient number, since it is larger than the sum of its proper divisors (1071289333).

12231313211 is a wasteful number, since it uses less digits than its factorization.

12231313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9315661.

The product of its digits is 216, while the sum is 20.

Adding to 12231313211 its reverse (11231313221), we get a palindrome (23462626432).

The spelling of 12231313211 in words is "twelve billion, two hundred thirty-one million, three hundred thirteen thousand, two hundred eleven".

Divisors: 1 13 101 1313 9315547 121102111 940870247 12231313211