11230011231 has 16 divisors (see below), whose sum is σ = 15020289888. Its totient is φ = 7463232000.

The previous prime is 11230011203. The next prime is 11230011259. The reversal of 11230011231 is 13211003211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11230011203) and next prime (11230011259).

It is not a de Polignac number, because 11230011231 - 2⁷ = 11230011103 is a prime.

It is a super-2 number, since 2×11230011231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11230011231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230011131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2272195 + ... + 2277131.

It is an arithmetic number, because the mean of its divisors is an integer number (938768118).

Almost surely, 2^11230011231 is an apocalyptic number.

11230011231 is a deficient number, since it is larger than the sum of its proper divisors (3790278657).

11230011231 is a wasteful number, since it uses less digits than its factorization.

11230011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7162.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11230011231 its reverse (13211003211), we get a palindrome (24441014442).

The spelling of 11230011231 in words is "eleven billion, two hundred thirty million, eleven thousand, two hundred thirty-one".