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131996327 is a prime number
BaseRepresentation
bin1111101111000…
…01101010100111
3100012101002220212
413313201222213
5232242340302
621033050035
73161643641
oct767415247
9305332825
10131996327
1168565881
123825691b
1321467348
141375d891
15b8c5052
hex7de1aa7

131996327 has 2 divisors, whose sum is σ = 131996328. Its totient is φ = 131996326.

The previous prime is 131996303. The next prime is 131996383. The reversal of 131996327 is 723699131.

It is a weak prime.

It is an emirp because it is prime and its reverse (723699131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131996327 - 28 = 131996071 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 (131996387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65998163 + 65998164.

It is an arithmetic number, because the mean of its divisors is an integer number (65998164).

Almost surely, 2131996327 is an apocalyptic number.

131996327 is a deficient number, since it is larger than the sum of its proper divisors (1).

131996327 is an equidigital number, since it uses as much as digits as its factorization.

131996327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 41.

The square root of 131996327 is about 11488.9654451565. The cubic root of 131996327 is about 509.1596142943.

The spelling of 131996327 in words is "one hundred thirty-one million, nine hundred ninety-six thousand, three hundred twenty-seven".