131411491 has 2 divisors, whose sum is σ = 131411492. Its totient is φ = 131411490.

The previous prime is 131411473. The next prime is 131411503. The reversal of 131411491 is 194114131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131411491 - 2⁷ = 131411363 is a prime.

It is not a weakly prime, because it can be changed into another prime (131481491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65705745 + 65705746.

It is an arithmetic number, because the mean of its divisors is an integer number (65705746).

Almost surely, 2^131411491 is an apocalyptic number.

131411491 is a deficient number, since it is larger than the sum of its proper divisors (1).

131411491 is an equidigital number, since it uses as much as digits as its factorization.

131411491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 25.

The square root of 131411491 is about 11463.4851157927. The cubic root of 131411491 is about 508.4065232846.

The spelling of 131411491 in words is "one hundred thirty-one million, four hundred eleven thousand, four hundred ninety-one".