13021040322 has 48 divisors (see below), whose sum is σ = 28310056632. Its totient is φ = 4325333760.

The previous prime is 13021040321. The next prime is 13021040327. The reversal of 13021040322 is 22304012031.

13021040322 is a `hidden beast` number, since 1 + 30 + 210 + 403 + 22 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12891558681 + 129481641 = 113541^2 + 11379^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13021040295 and 13021040304.

It is not an unprimeable number, because it can be changed into a prime (13021040321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10195948 + ... + 10197224.

Almost surely, 2^13021040322 is an apocalyptic number.

13021040322 is an abundant number, since it is smaller than the sum of its proper divisors (15289016310).

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

13021040322 is a wasteful number, since it uses less digits than its factorization.

13021040322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803 (or 2800 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13021040322 its reverse (22304012031), we get a palindrome (35325052353).

The spelling of 13021040322 in words is "thirteen billion, twenty-one million, forty thousand, three hundred twenty-two".