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131179427 is a prime number
BaseRepresentation
bin1111101000110…
…10001110100011
3100010211121100022
413310122032203
5232040220202
621003344055
73152002211
oct764321643
9303747308
10131179427
1168058055
1237b2202b
132123c582
14135c9cb1
15b7b2ea2
hex7d1a3a3

131179427 has 2 divisors, whose sum is σ = 131179428. Its totient is φ = 131179426.

The previous prime is 131179417. The next prime is 131179453. The reversal of 131179427 is 724971131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131179427 - 210 = 131178403 is a prime.

It is not a weakly prime, because it can be changed into another prime (131179417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65589713 + 65589714.

It is an arithmetic number, because the mean of its divisors is an integer number (65589714).

Almost surely, 2131179427 is an apocalyptic number.

131179427 is a deficient number, since it is larger than the sum of its proper divisors (1).

131179427 is an equidigital number, since it uses as much as digits as its factorization.

131179427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 35.

The square root of 131179427 is about 11453.3587650086. The cubic root of 131179427 is about 508.1070761848.

The spelling of 131179427 in words is "one hundred thirty-one million, one hundred seventy-nine thousand, four hundred twenty-seven".