13231121141 has 4 divisors (see below), whose sum is σ = 15121281312. Its totient is φ = 11340960972.

The previous prime is 13231121089. The next prime is 13231121159. The reversal of 13231121141 is 14112113231.

13231121141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 13231121141 - 2⁶ = 13231121077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231121171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945080075 + ... + 945080088.

It is an arithmetic number, because the mean of its divisors is an integer number (3780320328).

Almost surely, 2^13231121141 is an apocalyptic number.

It is an amenable number.

13231121141 is a deficient number, since it is larger than the sum of its proper divisors (1890160171).

13231121141 is an equidigital number, since it uses as much as digits as its factorization.

13231121141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890160170.

The product of its digits is 144, while the sum is 20.

Adding to 13231121141 its reverse (14112113231), we get a palindrome (27343234372).

The spelling of 13231121141 in words is "thirteen billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred forty-one".