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131757170663 is a prime number
BaseRepresentation
bin111101010110101010…
…1101101111111100111
3110121002101100202121202
41322231111231333213
54124314313430123
6140310045233115
712343031320616
oct1725525557747
9417071322552
10131757170663
1150972540498
122165126279b
13c569c4a2a1
14653c9d387d
15366225ba28
hex1ead56dfe7

131757170663 has 2 divisors, whose sum is σ = 131757170664. Its totient is φ = 131757170662.

The previous prime is 131757170569. The next prime is 131757170683. The reversal of 131757170663 is 366071757131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131757170663 - 28 = 131757170407 is a prime.

It is a super-2 number, since 2×1317571706632 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131757170683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65878585331 + 65878585332.

It is an arithmetic number, because the mean of its divisors is an integer number (65878585332).

Almost surely, 2131757170663 is an apocalyptic number.

131757170663 is a deficient number, since it is larger than the sum of its proper divisors (1).

131757170663 is an equidigital number, since it uses as much as digits as its factorization.

131757170663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555660, while the sum is 47.

The spelling of 131757170663 in words is "one hundred thirty-one billion, seven hundred fifty-seven million, one hundred seventy thousand, six hundred sixty-three".