13023321202 has 12 divisors (see below), whose sum is σ = 20617253406. Its totient is φ = 6168941280.

The previous prime is 13023321197. The next prime is 13023321203. The reversal of 13023321202 is 20212332031.

It can be written as a sum of positive squares in only one way, i.e., 7971096961 + 5052224241 = 89281^2 + 71079^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 13023321202.

It is not an unprimeable number, because it can be changed into a prime (13023321203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9018199 + ... + 9019642.

Almost surely, 2^13023321202 is an apocalyptic number.

13023321202 is a deficient number, since it is larger than the sum of its proper divisors (7593932204).

13023321202 is a wasteful number, since it uses less digits than its factorization.

13023321202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18037881 (or 18037862 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13023321202 its reverse (20212332031), we get a palindrome (33235653233).

The spelling of 13023321202 in words is "thirteen billion, twenty-three million, three hundred twenty-one thousand, two hundred two".