131330414210521 has 2 divisors, whose sum is σ = 131330414210522. Its totient is φ = 131330414210520.

The previous prime is 131330414210377. The next prime is 131330414210537. The reversal of 131330414210521 is 125012414033131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124182918900121 + 7147495310400 = 11143739^2 + 2673480^2 .

It is an emirp because it is prime and its reverse (125012414033131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131330414210521 - 2³⁷ = 131192975257049 is a prime.

It is not a weakly prime, because it can be changed into another prime (131330414240521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65665207105260 + 65665207105261.

It is an arithmetic number, because the mean of its divisors is an integer number (65665207105261).

Almost surely, 2^{131330414210521} is an apocalyptic number.

It is an amenable number.

131330414210521 is a deficient number, since it is larger than the sum of its proper divisors (1).

131330414210521 is an equidigital number, since it uses as much as digits as its factorization.

131330414210521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 131330414210521 its reverse (125012414033131), we get a palindrome (256342828243652).

The spelling of 131330414210521 in words is "one hundred thirty-one trillion, three hundred thirty billion, four hundred fourteen million, two hundred ten thousand, five hundred twenty-one".