13113031211 has 8 divisors (see below), whose sum is σ = 14987031264. Its totient is φ = 11239208640.

The previous prime is 13113031163. The next prime is 13113031247. The reversal of 13113031211 is 11213031131.

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

It is a cyclic number.

It is not a de Polignac number, because 13113031211 - 2¹⁸ = 13112769067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13113031211.

It is not an unprimeable number, because it can be changed into a prime (13113031111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215231 + ... + 269351.

It is an arithmetic number, because the mean of its divisors is an integer number (1873378908).

Almost surely, 2^13113031211 is an apocalyptic number.

13113031211 is a deficient number, since it is larger than the sum of its proper divisors (1874000053).

13113031211 is an equidigital number, since it uses as much as digits as its factorization.

13113031211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88741.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13113031211 its reverse (11213031131), we get a palindrome (24326062342).

The spelling of 13113031211 in words is "thirteen billion, one hundred thirteen million, thirty-one thousand, two hundred eleven".