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13031332247 is a prime number
BaseRepresentation
bin11000010001011101…
…00101100110010111
31020122011202021020002
430020232211212113
5203142010112442
65553030401515
7640633332203
oct141056454627
936564667202
1013031332247
11558793587a
12263820029b
1312c8a221ab
148b89a3b03
15514090732
hex308ba5997

13031332247 has 2 divisors, whose sum is σ = 13031332248. Its totient is φ = 13031332246.

The previous prime is 13031332219. The next prime is 13031332333. The reversal of 13031332247 is 74223313031.

13031332247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13031332247 - 28 = 13031331991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13031334247) 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 as a sum of consecutive naturals, namely, 6515666123 + 6515666124.

It is an arithmetic number, because the mean of its divisors is an integer number (6515666124).

Almost surely, 213031332247 is an apocalyptic number.

13031332247 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031332247 is an equidigital number, since it uses as much as digits as its factorization.

13031332247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 13031332247 its reverse (74223313031), we get a palindrome (87254645278).

The spelling of 13031332247 in words is "thirteen billion, thirty-one million, three hundred thirty-two thousand, two hundred forty-seven".