131374494473191 has 2 divisors, whose sum is σ = 131374494473192. Its totient is φ = 131374494473190.

The previous prime is 131374494473129. The next prime is 131374494473227. The reversal of 131374494473191 is 191374494473131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131374494473191 - 2¹³ = 131374494464999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131374494473491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65687247236595 + 65687247236596.

It is an arithmetic number, because the mean of its divisors is an integer number (65687247236596).

Almost surely, 2^{131374494473191} is an apocalyptic number.

131374494473191 is a deficient number, since it is larger than the sum of its proper divisors (1).

131374494473191 is an equidigital number, since it uses as much as digits as its factorization.

131374494473191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 61.

The spelling of 131374494473191 in words is "one hundred thirty-one trillion, three hundred seventy-four billion, four hundred ninety-four million, four hundred seventy-three thousand, one hundred ninety-one".