13231040343 has 16 divisors (see below), whose sum is σ = 18249854976. Its totient is φ = 8517690720.

The previous prime is 13231040323. The next prime is 13231040353. The reversal of 13231040343 is 34304013231.

13231040343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13231040343 - 2¹⁰ = 13231039319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231040323) 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 15 ways as a sum of consecutive naturals, for example, 110580 + ... + 196697.

It is an arithmetic number, because the mean of its divisors is an integer number (1140615936).

Almost surely, 2^13231040343 is an apocalyptic number.

13231040343 is a deficient number, since it is larger than the sum of its proper divisors (5018814633).

13231040343 is a wasteful number, since it uses less digits than its factorization.

13231040343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307774.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13231040343 its reverse (34304013231), we get a palindrome (47535053574).

The spelling of 13231040343 in words is "thirteen billion, two hundred thirty-one million, forty thousand, three hundred forty-three".