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913271131 is a prime number
BaseRepresentation
bin110110011011110…
…110100101011011
32100122110222110201
4312123312211123
53332244134011
6230342323031
731426451023
oct6633664533
92318428421
10913271131
11429577133
12215a29477
13117292126
1489412a83
155529dcc1
hex366f695b

913271131 has 2 divisors, whose sum is σ = 913271132. Its totient is φ = 913271130.

The previous prime is 913271113. The next prime is 913271153. The reversal of 913271131 is 131172319.

Together with previous prime (913271113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (131172319) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 913271131 - 27 = 913271003 is a prime.

It is a super-2 number, since 2×9132711312 = 1668128317436038322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 913271131.

It is not a weakly prime, because it can be changed into another prime (913271531) 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, 456635565 + 456635566.

It is an arithmetic number, because the mean of its divisors is an integer number (456635566).

Almost surely, 2913271131 is an apocalyptic number.

913271131 is a deficient number, since it is larger than the sum of its proper divisors (1).

913271131 is an equidigital number, since it uses as much as digits as its factorization.

913271131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134, while the sum is 28.

The square root of 913271131 is about 30220.3760896518. The cubic root of 913271131 is about 970.2118540346.

The spelling of 913271131 in words is "nine hundred thirteen million, two hundred seventy-one thousand, one hundred thirty-one".