13023041231 has 4 divisors (see below), whose sum is σ = 13023498600. Its totient is φ = 13022583864.

The previous prime is 13023041203. The next prime is 13023041243. The reversal of 13023041231 is 13214032031.

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 13023041231 - 2¹⁸ = 13022779087 is a prime.

It is a super-2 number, since 2×13023041231² (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 (13023041831) 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 3 ways as a sum of consecutive naturals, for example, 182921 + ... + 243938.

It is an arithmetic number, because the mean of its divisors is an integer number (3255874650).

Almost surely, 2^13023041231 is an apocalyptic number.

13023041231 is a deficient number, since it is larger than the sum of its proper divisors (457369).

13023041231 is an equidigital number, since it uses as much as digits as its factorization.

13023041231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457368.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13023041231 its reverse (13214032031), we get a palindrome (26237073262).

The spelling of 13023041231 in words is "thirteen billion, twenty-three million, forty-one thousand, two hundred thirty-one".