131045304349 has 2 divisors, whose sum is σ = 131045304350. Its totient is φ = 131045304348.

The previous prime is 131045304329. The next prime is 131045304433. The reversal of 131045304349 is 943403540131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72810927225 + 58234377124 = 269835^2 + 241318^2 .

It is a cyclic number.

It is not a de Polignac number, because 131045304349 - 2²⁵ = 131011749917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131045304329) 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, 65522652174 + 65522652175.

It is an arithmetic number, because the mean of its divisors is an integer number (65522652175).

Almost surely, 2^131045304349 is an apocalyptic number.

It is an amenable number.

131045304349 is a deficient number, since it is larger than the sum of its proper divisors (1).

131045304349 is an equidigital number, since it uses as much as digits as its factorization.

131045304349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 131045304349 in words is "one hundred thirty-one billion, forty-five million, three hundred four thousand, three hundred forty-nine".