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131517359 is a prime number
BaseRepresentation
bin1111101011011…
…00101110101111
3100011110202220022
413311230232233
5232132023414
621014512355
73154610351
oct765545657
9304422808
10131517359
1168268a36
12380656bb
132132a32c
14136770d1
15b82d18e
hex7d6cbaf

131517359 has 2 divisors, whose sum is σ = 131517360. Its totient is φ = 131517358.

The previous prime is 131517317. The next prime is 131517367. The reversal of 131517359 is 953715131.

It is a strong prime.

It is an emirp because it is prime and its reverse (953715131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131517359 - 28 = 131517103 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131510359) 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, 65758679 + 65758680.

It is an arithmetic number, because the mean of its divisors is an integer number (65758680).

Almost surely, 2131517359 is an apocalyptic number.

131517359 is a deficient number, since it is larger than the sum of its proper divisors (1).

131517359 is an equidigital number, since it uses as much as digits as its factorization.

131517359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14175, while the sum is 35.

The square root of 131517359 is about 11468.1018045708. The cubic root of 131517359 is about 508.5430144797.

The spelling of 131517359 in words is "one hundred thirty-one million, five hundred seventeen thousand, three hundred fifty-nine".