Search a number
-
+
131233321011101 is a prime number
BaseRepresentation
bin11101110101101100100011…
…011110110100011110011101
3122012122210010210002010220112
4131311230203132310132131
5114200111320134323401
61143035431055255405
736433203014265461
oct3565544336643635
9565583123063815
10131233321011101
11388a6814513121
1212875a9181a565
13582c3312929ba
142459a25c1a4a1
151028a2e7113bb
hex775b237b479d

131233321011101 has 2 divisors, whose sum is σ = 131233321011102. Its totient is φ = 131233321011100.

The previous prime is 131233321011011. The next prime is 131233321011103. The reversal of 131233321011101 is 101110123332131.

Together with previous prime (131233321011011) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95513991811876 + 35719329199225 = 9773126^2 + 5976565^2 .

It is an emirp because it is prime and its reverse (101110123332131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131233321011101 - 226 = 131233253902237 is a prime.

It is a Sophie Germain prime.

Together with 131233321011103, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131233321011103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65616660505550 + 65616660505551.

It is an arithmetic number, because the mean of its divisors is an integer number (65616660505551).

Almost surely, 2131233321011101 is an apocalyptic number.

It is an amenable number.

131233321011101 is a deficient number, since it is larger than the sum of its proper divisors (1).

131233321011101 is an equidigital number, since it uses as much as digits as its factorization.

131233321011101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 131233321011101 its reverse (101110123332131), we get a palindrome (232343444343232).

The spelling of 131233321011101 in words is "one hundred thirty-one trillion, two hundred thirty-three billion, three hundred twenty-one million, eleven thousand, one hundred one".