13131135021 has 8 divisors (see below), whose sum is σ = 17729802880. Its totient is φ = 8643278592.

The previous prime is 13131135013. The next prime is 13131135041. The reversal of 13131135021 is 12053113131.

13131135021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13131135021 - 2³ = 13131135013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131135001) 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 7 ways as a sum of consecutive naturals, for example, 27702580 + ... + 27703053.

It is an arithmetic number, because the mean of its divisors is an integer number (2216225360).

Almost surely, 2^13131135021 is an apocalyptic number.

It is an amenable number.

13131135021 is a deficient number, since it is larger than the sum of its proper divisors (4598667859).

13131135021 is an equidigital number, since it uses as much as digits as its factorization.

13131135021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55405715.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 13131135021 its reverse (12053113131), we get a palindrome (25184248152).

The spelling of 13131135021 in words is "thirteen billion, one hundred thirty-one million, one hundred thirty-five thousand, twenty-one".