13011443343 has 40 divisors (see below), whose sum is σ = 19949033808. Its totient is φ = 8448126336.

The previous prime is 13011443317. The next prime is 13011443383. The reversal of 13011443343 is 34334411031.

13011443343 is a `hidden beast` number, since 1 + 301 + 14 + 4 + 3 + 343 = 666.

It is not a de Polignac number, because 13011443343 - 2⁹ = 13011442831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011443383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 577080 + ... + 599202.

Almost surely, 2^13011443343 is an apocalyptic number.

13011443343 is a deficient number, since it is larger than the sum of its proper divisors (6937590465).

13011443343 is a wasteful number, since it uses less digits than its factorization.

13011443343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22325 (or 22316 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13011443343 its reverse (34334411031), we get a palindrome (47345854374).

The spelling of 13011443343 in words is "thirteen billion, eleven million, four hundred forty-three thousand, three hundred forty-three".