13231021322 has 8 divisors (see below), whose sum is σ = 19863255456. Its totient is φ = 6609936172.

The previous prime is 13231021303. The next prime is 13231021369. The reversal of 13231021322 is 22312013231.

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 = 13231021294 and 13231021303.

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, 2784278 + ... + 2789025.

It is an arithmetic number, because the mean of its divisors is an integer number (2482906932).

Almost surely, 2^13231021322 is an apocalyptic number.

13231021322 is a deficient number, since it is larger than the sum of its proper divisors (6632234134).

13231021322 is a wasteful number, since it uses less digits than its factorization.

13231021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574492.

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

Adding to 13231021322 its reverse (22312013231), we get a palindrome (35543034553).

The spelling of 13231021322 in words is "thirteen billion, two hundred thirty-one million, twenty-one thousand, three hundred twenty-two".