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13133131223 is a prime number
BaseRepresentation
bin11000011101100101…
…11010110111010111
31020220021022012011112
430032302322313113
5203344040144343
610011104325235
7643310526212
oct141662726727
936807265145
1013133131223
11562a345963
12266631381b
131313b45784
148c8302779
1551ce9d218
hex30ecbadd7

13133131223 has 2 divisors, whose sum is σ = 13133131224. Its totient is φ = 13133131222.

The previous prime is 13133131171. The next prime is 13133131259. The reversal of 13133131223 is 32213133131.

It is a strong prime.

It is an emirp because it is prime and its reverse (32213133131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13133131223 - 212 = 13133127127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13133131273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6566565611 + 6566565612.

It is an arithmetic number, because the mean of its divisors is an integer number (6566565612).

Almost surely, 213133131223 is an apocalyptic number.

13133131223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13133131223 is an equidigital number, since it uses as much as digits as its factorization.

13133131223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 23.

Adding to 13133131223 its reverse (32213133131), we get a palindrome (45346264354).

The spelling of 13133131223 in words is "thirteen billion, one hundred thirty-three million, one hundred thirty-one thousand, two hundred twenty-three".