13131003011011 has 4 divisors (see below), whose sum is σ = 13159486749024. Its totient is φ = 13102519273000.

The previous prime is 13131003010967. The next prime is 13131003011017. The reversal of 13131003011011 is 11011030013131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13131003011011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131003011017) 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, 14241868315 + ... + 14241869236.

It is an arithmetic number, because the mean of its divisors is an integer number (3289871687256).

Almost surely, 2^{13131003011011} is an apocalyptic number.

13131003011011 is a deficient number, since it is larger than the sum of its proper divisors (28483738013).

13131003011011 is an equidigital number, since it uses as much as digits as its factorization.

13131003011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28483738012.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 13131003011011 its reverse (11011030013131), we get a palindrome (24142033024142).

The spelling of 13131003011011 in words is "thirteen trillion, one hundred thirty-one billion, three million, eleven thousand, eleven".