13231022322 has 32 divisors (see below), whose sum is σ = 30245991552. Its totient is φ = 3779835264.

The previous prime is 13231022291. The next prime is 13231022323. The reversal of 13231022322 is 22322013231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13231022323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497638 + ... + 523550.

It is an arithmetic number, because the mean of its divisors is an integer number (945187236).

Almost surely, 2^13231022322 is an apocalyptic number.

13231022322 is an abundant number, since it is smaller than the sum of its proper divisors (17014969230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13231022322 is a wasteful number, since it uses less digits than its factorization.

13231022322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38082.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13231022322 its reverse (22322013231), we get a palindrome (35553035553).

Subtracting 13231022322 from its reverse (22322013231), we obtain a palindrome (9090990909).

The spelling of 13231022322 in words is "thirteen billion, two hundred thirty-one million, twenty-two thousand, three hundred twenty-two".