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13831380347 is a prime number
BaseRepresentation
bin11001110000110101…
…00001110101111011
31022200221011220220012
430320122201311323
5211311313132342
610204250252135
7666516536021
oct147032416573
938627156805
1013831380347
1159584a9854
12282012704b
1313c56c0c35
14952d42711
1555e426b82
hex3386a1d7b

13831380347 has 2 divisors, whose sum is σ = 13831380348. Its totient is φ = 13831380346.

The previous prime is 13831380331. The next prime is 13831380361. The reversal of 13831380347 is 74308313831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13831380347 - 24 = 13831380331 is a prime.

It is not a weakly prime, because it can be changed into another prime (13831380247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6915690173 + 6915690174.

It is an arithmetic number, because the mean of its divisors is an integer number (6915690174).

Almost surely, 213831380347 is an apocalyptic number.

13831380347 is a deficient number, since it is larger than the sum of its proper divisors (1).

13831380347 is an equidigital number, since it uses as much as digits as its factorization.

13831380347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 13831380347 in words is "thirteen billion, eight hundred thirty-one million, three hundred eighty thousand, three hundred forty-seven".