331342404124013 has 2 divisors, whose sum is σ = 331342404124014. Its totient is φ = 331342404124012.

The previous prime is 331342404124007. The next prime is 331342404124051. The reversal of 331342404124013 is 310421404243133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176056462465129 + 155285941658884 = 13268627^2 + 12461378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331342404124013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331342404124913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165671202062006 + 165671202062007.

It is an arithmetic number, because the mean of its divisors is an integer number (165671202062007).

Almost surely, 2^{331342404124013} is an apocalyptic number.

It is an amenable number.

331342404124013 is a deficient number, since it is larger than the sum of its proper divisors (1).

331342404124013 is an equidigital number, since it uses as much as digits as its factorization.

331342404124013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 331342404124013 its reverse (310421404243133), we get a palindrome (641763808367146).

The spelling of 331342404124013 in words is "three hundred thirty-one trillion, three hundred forty-two billion, four hundred four million, one hundred twenty-four thousand, thirteen".