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71095800131 is a prime number
BaseRepresentation
bin100001000110110100…
…0111101000101000011
320210111210021212001122
41002031220331011003
52131101011101011
652354433422455
75064551221136
oct1021550750503
9223453255048
1071095800131
11281737a8a14
1211941a0aa2b
1369204877b5
14362638021d
151cb19173db
hex108da3d143

71095800131 has 2 divisors, whose sum is σ = 71095800132. Its totient is φ = 71095800130.

The previous prime is 71095800119. The next prime is 71095800151. The reversal of 71095800131 is 13100859017.

It is a weak prime.

It is an emirp because it is prime and its reverse (13100859017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71095800131 - 26 = 71095800067 is a prime.

It is a super-2 number, since 2×710958001312 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 71095800091 and 71095800100.

It is not a weakly prime, because it can be changed into another prime (71095800101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35547900065 + 35547900066.

It is an arithmetic number, because the mean of its divisors is an integer number (35547900066).

Almost surely, 271095800131 is an apocalyptic number.

71095800131 is a deficient number, since it is larger than the sum of its proper divisors (1).

71095800131 is an equidigital number, since it uses as much as digits as its factorization.

71095800131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 35.

The spelling of 71095800131 in words is "seventy-one billion, ninety-five million, eight hundred thousand, one hundred thirty-one".