13023322231 has 4 divisors (see below), whose sum is σ = 13023720000. Its totient is φ = 13022924464.

The previous prime is 13023322219. The next prime is 13023322259. The reversal of 13023322231 is 13222332031.

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 13023322231 - 2¹¹ = 13023320183 is a prime.

It is a super-2 number, since 2×13023322231² (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 (13023322211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144886 + ... + 216883.

It is an arithmetic number, because the mean of its divisors is an integer number (3255930000).

Almost surely, 2^13023322231 is an apocalyptic number.

13023322231 is a deficient number, since it is larger than the sum of its proper divisors (397769).

13023322231 is an equidigital number, since it uses as much as digits as its factorization.

13023322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397768.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13023322231 its reverse (13222332031), we get a palindrome (26245654262).

The spelling of 13023322231 in words is "thirteen billion, twenty-three million, three hundred twenty-two thousand, two hundred thirty-one".