13024311121 has 4 divisors (see below), whose sum is σ = 13709801200. Its totient is φ = 12338821044.

The previous prime is 13024311119. The next prime is 13024311127. The reversal of 13024311121 is 12111342031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12111342031 = 43 ⋅281659117.

It is a cyclic number.

It is not a de Polignac number, because 13024311121 - 2¹ = 13024311119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 685490059 = 13024311121 / (1 + 3 + 0 + 2 + 4 + 3 + 1 + 1 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13024311127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342745011 + ... + 342745048.

It is an arithmetic number, because the mean of its divisors is an integer number (3427450300).

Almost surely, 2^13024311121 is an apocalyptic number.

It is an amenable number.

13024311121 is a deficient number, since it is larger than the sum of its proper divisors (685490079).

13024311121 is an equidigital number, since it uses as much as digits as its factorization.

13024311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685490078.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13024311121 its reverse (12111342031), we get a palindrome (25135653152).

The spelling of 13024311121 in words is "thirteen billion, twenty-four million, three hundred eleven thousand, one hundred twenty-one".