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13311143551 is a prime number
BaseRepresentation
bin11000110010110011…
…11110111001111111
31021100200021011011201
430121121332321333
5204230123043201
610040504000331
7650601565456
oct143131767177
937320234151
1013311143551
115710880192
1226b5a600a7
1313419a1a04
14903bddb9d
1552d912801
hex31967ee7f

13311143551 has 2 divisors, whose sum is σ = 13311143552. Its totient is φ = 13311143550.

The previous prime is 13311143507. The next prime is 13311143561. The reversal of 13311143551 is 15534111331.

It is a strong prime.

It is an emirp because it is prime and its reverse (15534111331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13311143551 - 27 = 13311143423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13311143561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655571775 + 6655571776.

It is an arithmetic number, because the mean of its divisors is an integer number (6655571776).

Almost surely, 213311143551 is an apocalyptic number.

13311143551 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311143551 is an equidigital number, since it uses as much as digits as its factorization.

13311143551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 28.

Adding to 13311143551 its reverse (15534111331), we get a palindrome (28845254882).

The spelling of 13311143551 in words is "thirteen billion, three hundred eleven million, one hundred forty-three thousand, five hundred fifty-one".