131042071 has 2 divisors, whose sum is σ = 131042072. Its totient is φ = 131042070.

The previous prime is 131042033. The next prime is 131042077. The reversal of 131042071 is 170240131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131042071 - 2¹¹ = 131040023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131042077) 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, 65521035 + 65521036.

It is an arithmetic number, because the mean of its divisors is an integer number (65521036).

Almost surely, 2^131042071 is an apocalyptic number.

131042071 is a deficient number, since it is larger than the sum of its proper divisors (1).

131042071 is an equidigital number, since it uses as much as digits as its factorization.

131042071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 131042071 is about 11447.3608748916. The cubic root of 131042071 is about 507.9296704981.

The spelling of 131042071 in words is "one hundred thirty-one million, forty-two thousand, seventy-one".