13040304343 has 8 divisors (see below), whose sum is σ = 14716331280. Its totient is φ = 11446034880.

The previous prime is 13040304331. The next prime is 13040304373. The reversal of 13040304343 is 34340304031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13040304343 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 (13040304373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20439030 + ... + 20439667.

It is an arithmetic number, because the mean of its divisors is an integer number (1839541410).

Almost surely, 2^13040304343 is an apocalyptic number.

13040304343 is a deficient number, since it is larger than the sum of its proper divisors (1676026937).

13040304343 is a wasteful number, since it uses less digits than its factorization.

13040304343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40878737.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 13040304343 its reverse (34340304031), we get a palindrome (47380608374).

The spelling of 13040304343 in words is "thirteen billion, forty million, three hundred four thousand, three hundred forty-three".