11013131233 has 48 divisors (see below), whose sum is σ = 13009455360. Its totient is φ = 9281405952.

The previous prime is 11013131221. The next prime is 11013131251. The reversal of 11013131233 is 33213131011.

It is not a de Polignac number, because 11013131233 - 2⁵ = 11013131201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11013131233.

It is not an unprimeable number, because it can be changed into a prime (11013131273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29525635 + ... + 29526007.

It is an arithmetic number, because the mean of its divisors is an integer number (271030320).

Almost surely, 2^11013131233 is an apocalyptic number.

11013131233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11013131233 is a deficient number, since it is larger than the sum of its proper divisors (1996324127).

11013131233 is a wasteful number, since it uses less digits than its factorization.

11013131233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11013131233 its reverse (33213131011), we get a palindrome (44226262244).

The spelling of 11013131233 in words is "eleven billion, thirteen million, one hundred thirty-one thousand, two hundred thirty-three".