11229229231 has 8 divisors (see below), whose sum is σ = 12645232128. Its totient is φ = 9879087000.

The previous prime is 11229229201. The next prime is 11229229309. The reversal of 11229229231 is 13292292211.

11229229231 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 a cyclic number.

It is not a de Polignac number, because 11229229231 - 2²⁷ = 11095011503 is a prime.

It is a super-4 number, since 4×11229229231⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11229229201) 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, 16464805 + ... + 16465486.

It is an arithmetic number, because the mean of its divisors is an integer number (1580654016).

Almost surely, 2^11229229231 is an apocalyptic number.

11229229231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11229229231 is a deficient number, since it is larger than the sum of its proper divisors (1416002897).

11229229231 is a wasteful number, since it uses less digits than its factorization.

11229229231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32930333.

The product of its digits is 7776, while the sum is 34.

The spelling of 11229229231 in words is "eleven billion, two hundred twenty-nine million, two hundred twenty-nine thousand, two hundred thirty-one".