13231231022 has 8 divisors (see below), whose sum is σ = 20709752976. Its totient is φ = 6327980032.

The previous prime is 13231231003. The next prime is 13231231033. The reversal of 13231231022 is 22013213231.

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 = 13231230985 and 13231231003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143817683 + ... + 143817774.

It is an arithmetic number, because the mean of its divisors is an integer number (2588719122).

Almost surely, 2^13231231022 is an apocalyptic number.

13231231022 is a deficient number, since it is larger than the sum of its proper divisors (7478521954).

13231231022 is a wasteful number, since it uses less digits than its factorization.

13231231022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287635482.

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

Adding to 13231231022 its reverse (22013213231), we get a palindrome (35244444253).

The spelling of 13231231022 in words is "thirteen billion, two hundred thirty-one million, two hundred thirty-one thousand, twenty-two".