13231220302 has 8 divisors (see below), whose sum is σ = 19860075000. Its totient is φ = 6611195304.

The previous prime is 13231220287. The next prime is 13231220341. The reversal of 13231220302 is 20302213231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13231220302.

It is a congruent number.

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, 2203677 + ... + 2209672.

It is an arithmetic number, because the mean of its divisors is an integer number (2482509375).

Almost surely, 2^13231220302 is an apocalyptic number.

13231220302 is a deficient number, since it is larger than the sum of its proper divisors (6628854698).

13231220302 is a wasteful number, since it uses less digits than its factorization.

13231220302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414850.

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

Adding to 13231220302 its reverse (20302213231), we get a palindrome (33533433533).

The spelling of 13231220302 in words is "thirteen billion, two hundred thirty-one million, two hundred twenty thousand, three hundred two".