13031545611 has 8 divisors (see below), whose sum is σ = 19857593344. Its totient is φ = 7446597480.

The previous prime is 13031545601. The next prime is 13031545613. The reversal of 13031545611 is 11654513031.

13031545611 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 13031545611 - 2¹⁰ = 13031544587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13031545613) 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, 310274875 + ... + 310274916.

It is an arithmetic number, because the mean of its divisors is an integer number (2482199168).

Almost surely, 2^13031545611 is an apocalyptic number.

13031545611 is a deficient number, since it is larger than the sum of its proper divisors (6826047733).

13031545611 is an equidigital number, since it uses as much as digits as its factorization.

13031545611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620549801.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 13031545611 in words is "thirteen billion, thirty-one million, five hundred forty-five thousand, six hundred eleven".