131330340049 has 2 divisors, whose sum is σ = 131330340050. Its totient is φ = 131330340048.

The previous prime is 131330339957. The next prime is 131330340121. The reversal of 131330340049 is 940043033131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105924211600 + 25406128449 = 325460^2 + 159393^2 .

It is a cyclic number.

It is not a de Polignac number, because 131330340049 - 2⁹ = 131330339537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131330340049.

It is not a weakly prime, because it can be changed into another prime (131330349049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65665170024 + 65665170025.

It is an arithmetic number, because the mean of its divisors is an integer number (65665170025).

Almost surely, 2^131330340049 is an apocalyptic number.

It is an amenable number.

131330340049 is a deficient number, since it is larger than the sum of its proper divisors (1).

131330340049 is an equidigital number, since it uses as much as digits as its factorization.

131330340049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 131330340049 in words is "one hundred thirty-one billion, three hundred thirty million, three hundred forty thousand, forty-nine".