13020324243 has 8 divisors (see below), whose sum is σ = 17363908608. Its totient is φ = 8678478024.

The previous prime is 13020324241. The next prime is 13020324287. The reversal of 13020324243 is 34242302031.

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

It is not a de Polignac number, because 13020324243 - 2¹ = 13020324241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13020324241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416955 + ... + 447092.

It is an arithmetic number, because the mean of its divisors is an integer number (2170488576).

Almost surely, 2^13020324243 is an apocalyptic number.

13020324243 is a deficient number, since it is larger than the sum of its proper divisors (4343584365).

13020324243 is an equidigital number, since it uses as much as digits as its factorization.

13020324243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869073.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 13020324243 its reverse (34242302031), we get a palindrome (47262626274).

The spelling of 13020324243 in words is "thirteen billion, twenty million, three hundred twenty-four thousand, two hundred forty-three".