131403330391 has 2 divisors, whose sum is σ = 131403330392. Its totient is φ = 131403330390.

The previous prime is 131403330361. The next prime is 131403330433. The reversal of 131403330391 is 193033304131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131403330391 - 2¹⁹ = 131402806103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131403330341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701665195 + 65701665196.

It is an arithmetic number, because the mean of its divisors is an integer number (65701665196).

Almost surely, 2^131403330391 is an apocalyptic number.

131403330391 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403330391 is an equidigital number, since it uses as much as digits as its factorization.

131403330391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

The spelling of 131403330391 in words is "one hundred thirty-one billion, four hundred three million, three hundred thirty thousand, three hundred ninety-one".