131041028213 has 2 divisors, whose sum is σ = 131041028214. Its totient is φ = 131041028212.

The previous prime is 131041028203. The next prime is 131041028303. The reversal of 131041028213 is 312820140131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114188574724 + 16852453489 = 337918^2 + 129817^2 .

It is a cyclic number.

It is not a de Polignac number, because 131041028213 - 2⁶ = 131041028149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131041028203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65520514106 + 65520514107.

It is an arithmetic number, because the mean of its divisors is an integer number (65520514107).

Almost surely, 2^131041028213 is an apocalyptic number.

It is an amenable number.

131041028213 is a deficient number, since it is larger than the sum of its proper divisors (1).

131041028213 is an equidigital number, since it uses as much as digits as its factorization.

131041028213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 131041028213 its reverse (312820140131), we get a palindrome (443861168344).

The spelling of 131041028213 in words is "one hundred thirty-one billion, forty-one million, twenty-eight thousand, two hundred thirteen".