13223112331 has 8 divisors (see below), whose sum is σ = 15534845424. Its totient is φ = 11096317920.

The previous prime is 13223112317. The next prime is 13223112337. The reversal of 13223112331 is 13321132231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13223112331 - 2⁵ = 13223112299 is a prime.

It is a super-2 number, since 2×13223112331² (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 (13223112337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46234516 + ... + 46234801.

It is an arithmetic number, because the mean of its divisors is an integer number (1941855678).

Almost surely, 2^13223112331 is an apocalyptic number.

13223112331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13223112331 is a deficient number, since it is larger than the sum of its proper divisors (2311733093).

13223112331 is a wasteful number, since it uses less digits than its factorization.

13223112331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92469341.

The product of its digits is 648, while the sum is 22.

Adding to 13223112331 its reverse (13321132231), we get a palindrome (26544244562).

The spelling of 13223112331 in words is "thirteen billion, two hundred twenty-three million, one hundred twelve thousand, three hundred thirty-one".