1340344043033 has 4 divisors (see below), whose sum is σ = 1340652243300. Its totient is φ = 1340035842768.

The previous prime is 1340344042991. The next prime is 1340344043039. The reversal of 1340344043033 is 3303404430431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20664637504 + 1319679405529 = 143752^2 + 1148773^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340344043033 - 2³⁰ = 1339270301209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340344043039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154093610 + ... + 154102307.

It is an arithmetic number, because the mean of its divisors is an integer number (335163060825).

Almost surely, 2^{1340344043033} is an apocalyptic number.

It is an amenable number.

1340344043033 is a deficient number, since it is larger than the sum of its proper divisors (308200267).

1340344043033 is an equidigital number, since it uses as much as digits as its factorization.

1340344043033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308200266.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 1340344043033 its reverse (3303404430431), we get a palindrome (4643748473464).

The spelling of 1340344043033 in words is "one trillion, three hundred forty billion, three hundred forty-four million, forty-three thousand, thirty-three".