13231040303 has 4 divisors (see below), whose sum is σ = 14248812648. Its totient is φ = 12213267960.

The previous prime is 13231040293. The next prime is 13231040321. The reversal of 13231040303 is 30304013231.

13231040303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13231040303 - 2¹² = 13231036207 is a prime.

It is a super-2 number, since 2×13231040303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 508886153 + ... + 508886178.

It is an arithmetic number, because the mean of its divisors is an integer number (3562203162).

Almost surely, 2^13231040303 is an apocalyptic number.

13231040303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13231040303 is a deficient number, since it is larger than the sum of its proper divisors (1017772345).

13231040303 is a wasteful number, since it uses less digits than its factorization.

13231040303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017772344.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13231040303 its reverse (30304013231), we get a palindrome (43535053534).

The spelling of 13231040303 in words is "thirteen billion, two hundred thirty-one million, forty thousand, three hundred three".