13223311031 has 8 divisors (see below), whose sum is σ = 15319374624. Its totient is φ = 11179002240.

The previous prime is 13223311009. The next prime is 13223311033. The reversal of 13223311031 is 13011332231.

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

It is a de Polignac number, because none of the positive numbers 2^k-13223311031 is a prime.

It is a super-2 number, since 2×13223311031² (a number of 21 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 = 13223310994 and 13223311012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223311033) 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 7 ways as a sum of consecutive naturals, for example, 12938150 + ... + 12939171.

It is an arithmetic number, because the mean of its divisors is an integer number (1914921828).

Almost surely, 2^13223311031 is an apocalyptic number.

13223311031 is a deficient number, since it is larger than the sum of its proper divisors (2096063593).

13223311031 is an equidigital number, since it uses as much as digits as its factorization.

13223311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25877401.

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

Adding to 13223311031 its reverse (13011332231), we get a palindrome (26234643262).

The spelling of 13223311031 in words is "thirteen billion, two hundred twenty-three million, three hundred eleven thousand, thirty-one".