13223321004431 has 16 divisors (see below), whose sum is σ = 13556662841856. Its totient is φ = 12894090300000.

The previous prime is 13223321004367. The next prime is 13223321004437. The reversal of 13223321004431 is 13440012332231.

It is a cyclic number.

It is not a de Polignac number, because 13223321004431 - 2⁶ = 13223321004367 is a prime.

It is a super-2 number, since 2×13223321004431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13223321004394 and 13223321004403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223321004437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3060686 + ... + 5984516.

It is an arithmetic number, because the mean of its divisors is an integer number (847291427616).

Almost surely, 2^{13223321004431} is an apocalyptic number.

13223321004431 is a deficient number, since it is larger than the sum of its proper divisors (333341837425).

13223321004431 is a wasteful number, since it uses less digits than its factorization.

13223321004431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924534.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 13223321004431 its reverse (13440012332231), we get a palindrome (26663333336662).

The spelling of 13223321004431 in words is "thirteen trillion, two hundred twenty-three billion, three hundred twenty-one million, four thousand, four hundred thirty-one".