1320443334341 has 2 divisors, whose sum is σ = 1320443334342. Its totient is φ = 1320443334340.

The previous prime is 1320443334337. The next prime is 1320443334367. The reversal of 1320443334341 is 1434333440231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1250995273441 + 69448060900 = 1118479^2 + 263530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320443334341 - 2² = 1320443334337 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 (1320443034341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660221667170 + 660221667171.

It is an arithmetic number, because the mean of its divisors is an integer number (660221667171).

Almost surely, 2^{1320443334341} is an apocalyptic number.

It is an amenable number.

1320443334341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320443334341 is an equidigital number, since it uses as much as digits as its factorization.

1320443334341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 1320443334341 its reverse (1434333440231), we get a palindrome (2754776774572).

The spelling of 1320443334341 in words is "one trillion, three hundred twenty billion, four hundred forty-three million, three hundred thirty-four thousand, three hundred forty-one".