13231031222 has 8 divisors (see below), whose sum is σ = 19847877672. Its totient is φ = 6615072000.

The previous prime is 13231031207. The next prime is 13231031249. The reversal of 13231031222 is 22213013231.

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

It is a junction number, because it is equal to n+sod(n) for n = 13231031194 and 13231031203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183179 + ... + 244982.

It is an arithmetic number, because the mean of its divisors is an integer number (2480984709).

Almost surely, 2^13231031222 is an apocalyptic number.

13231031222 is a deficient number, since it is larger than the sum of its proper divisors (6616846450).

13231031222 is a wasteful number, since it uses less digits than its factorization.

13231031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443614.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13231031222 its reverse (22213013231), we get a palindrome (35444044453).

The spelling of 13231031222 in words is "thirteen billion, two hundred thirty-one million, thirty-one thousand, two hundred twenty-two".