13343143361 has 4 divisors (see below), whose sum is σ = 13668585924. Its totient is φ = 13017700800.

The previous prime is 13343143327. The next prime is 13343143403. The reversal of 13343143361 is 16334134331.

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 1430730625 + 11912412736 = 37825^2 + 109144^2 .

It is a cyclic number.

It is not a de Polignac number, because 13343143361 - 2¹⁴ = 13343126977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13343143061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162721220 + ... + 162721301.

It is an arithmetic number, because the mean of its divisors is an integer number (3417146481).

Almost surely, 2^13343143361 is an apocalyptic number.

It is an amenable number.

13343143361 is a deficient number, since it is larger than the sum of its proper divisors (325442563).

13343143361 is an equidigital number, since it uses as much as digits as its factorization.

13343143361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325442562.

The product of its digits is 23328, while the sum is 32.

Adding to 13343143361 its reverse (16334134331), we get a palindrome (29677277692).

The spelling of 13343143361 in words is "thirteen billion, three hundred forty-three million, one hundred forty-three thousand, three hundred sixty-one".