131971067 has 2 divisors, whose sum is σ = 131971068. Its totient is φ = 131971066.

The previous prime is 131971019. The next prime is 131971109. The reversal of 131971067 is 760179131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131971067 - 2¹⁶ = 131905531 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131941067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65985533 + 65985534.

It is an arithmetic number, because the mean of its divisors is an integer number (65985534).

Almost surely, 2^131971067 is an apocalyptic number.

131971067 is a deficient number, since it is larger than the sum of its proper divisors (1).

131971067 is an equidigital number, since it uses as much as digits as its factorization.

131971067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 131971067 is about 11487.8660768656. The cubic root of 131971067 is about 509.1271331068.

The spelling of 131971067 in words is "one hundred thirty-one million, nine hundred seventy-one thousand, sixty-seven".