13223110331 has 4 divisors (see below), whose sum is σ = 13504453152. Its totient is φ = 12941767512.

The previous prime is 13223110321. The next prime is 13223110339. The reversal of 13223110331 is 13301132231.

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 13223110331 - 2¹⁰ = 13223109307 is a prime.

It is a super-2 number, since 2×13223110331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13223110339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140671340 + ... + 140671433.

It is an arithmetic number, because the mean of its divisors is an integer number (3376113288).

Almost surely, 2^13223110331 is an apocalyptic number.

13223110331 is a deficient number, since it is larger than the sum of its proper divisors (281342821).

13223110331 is an equidigital number, since it uses as much as digits as its factorization.

13223110331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281342820.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13223110331 its reverse (13301132231), we get a palindrome (26524242562).

The spelling of 13223110331 in words is "thirteen billion, two hundred twenty-three million, one hundred ten thousand, three hundred thirty-one".