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131676943 is a prime number
BaseRepresentation
bin1111101100100…
…11101100001111
3100011202212210211
413312103230033
5232202130233
621022143251
73156143536
oct766235417
9304685724
10131676943
1168367922
1238121b27
1321384b68
14136b931d
15b8605cd
hex7d93b0f

131676943 has 2 divisors, whose sum is σ = 131676944. Its totient is φ = 131676942.

The previous prime is 131676931. The next prime is 131676947. The reversal of 131676943 is 349676131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131676943 - 29 = 131676431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131676896 and 131676905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131676947) 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, 65838471 + 65838472.

It is an arithmetic number, because the mean of its divisors is an integer number (65838472).

Almost surely, 2131676943 is an apocalyptic number.

131676943 is a deficient number, since it is larger than the sum of its proper divisors (1).

131676943 is an equidigital number, since it uses as much as digits as its factorization.

131676943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 131676943 is about 11475.0574290502. The cubic root of 131676943 is about 508.7486211168.

The spelling of 131676943 in words is "one hundred thirty-one million, six hundred seventy-six thousand, nine hundred forty-three".