1331120341443 has 16 divisors (see below), whose sum is σ = 1832133619712. Its totient is φ = 858762000000.

The previous prime is 1331120341429. The next prime is 1331120341609. The reversal of 1331120341443 is 3441430211331.

It is not a de Polignac number, because 1331120341443 - 2¹² = 1331120337347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331120341443.

It is not an unprimeable number, because it can be changed into a prime (1331120348443) 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, 3267318 + ... + 3652068.

It is an arithmetic number, because the mean of its divisors is an integer number (114508351232).

Almost surely, 2^{1331120341443} is an apocalyptic number.

1331120341443 is a deficient number, since it is larger than the sum of its proper divisors (501013278269).

1331120341443 is a wasteful number, since it uses less digits than its factorization.

1331120341443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421986.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 1331120341443 its reverse (3441430211331), we get a palindrome (4772550552774).

The spelling of 1331120341443 in words is "one trillion, three hundred thirty-one billion, one hundred twenty million, three hundred forty-one thousand, four hundred forty-three".