1320443334343 has 16 divisors (see below), whose sum is σ = 1601011179520. Its totient is φ = 1063796854176.

The previous prime is 1320443334341. The next prime is 1320443334367. The reversal of 1320443334343 is 3434333440231.

It is not a de Polignac number, because 1320443334343 - 2¹ = 1320443334341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320443334341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39070296 + ... + 39104077.

It is an arithmetic number, because the mean of its divisors is an integer number (100063198720).

Almost surely, 2^{1320443334343} is an apocalyptic number.

1320443334343 is a deficient number, since it is larger than the sum of its proper divisors (280567845177).

1320443334343 is a wasteful number, since it uses less digits than its factorization.

1320443334343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78174526.

The product of its (nonzero) digits is 373248, while the sum is 37.

Adding to 1320443334343 its reverse (3434333440231), we get a palindrome (4754776774574).

The spelling of 1320443334343 in words is "one trillion, three hundred twenty billion, four hundred forty-three million, three hundred thirty-four thousand, three hundred forty-three".