13321001322 has 12 divisors (see below), whose sum is σ = 28862169570. Its totient is φ = 4440333768.

The previous prime is 13321001303. The next prime is 13321001339. The reversal of 13321001322 is 22310012331.

13321001322 is a `hidden beast` number, since 1 + 332 + 10 + 0 + 1 + 322 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12633984801 + 687016521 = 112401^2 + 26211^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 740055629 = 13321001322 / (1 + 3 + 3 + 2 + 1 + 0 + 0 + 1 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 13321001295 and 13321001304.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370027797 + ... + 370027832.

Almost surely, 2^13321001322 is an apocalyptic number.

13321001322 is an abundant number, since it is smaller than the sum of its proper divisors (15541168248).

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

13321001322 is a wasteful number, since it uses less digits than its factorization.

13321001322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740055637 (or 740055634 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13321001322 its reverse (22310012331), we get a palindrome (35631013653).

The spelling of 13321001322 in words is "thirteen billion, three hundred twenty-one million, one thousand, three hundred twenty-two".