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131135041 is a prime number
BaseRepresentation
bin1111101000011…
…11011001000001
3100010202100110101
413310033121001
5232032310131
621002402401
73151425622
oct764173101
9303670411
10131135041
1168027774
1237b00401
13212252cb
14135b7a49
15b7a4c61
hex7d0f641

131135041 has 2 divisors, whose sum is σ = 131135042. Its totient is φ = 131135040.

The previous prime is 131135033. The next prime is 131135047. The reversal of 131135041 is 140531131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94653441 + 36481600 = 9729^2 + 6040^2 .

It is a cyclic number.

It is not a de Polignac number, because 131135041 - 23 = 131135033 is a prime.

It is not a weakly prime, because it can be changed into another prime (131135047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65567520 + 65567521.

It is an arithmetic number, because the mean of its divisors is an integer number (65567521).

Almost surely, 2131135041 is an apocalyptic number.

It is an amenable number.

131135041 is a deficient number, since it is larger than the sum of its proper divisors (1).

131135041 is an equidigital number, since it uses as much as digits as its factorization.

131135041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 131135041 is about 11451.4209162007. The cubic root of 131135041 is about 508.0497618499.

Adding to 131135041 its reverse (140531131), we get a palindrome (271666172).

The spelling of 131135041 in words is "one hundred thirty-one million, one hundred thirty-five thousand, forty-one".