11234032231 has 4 divisors (see below), whose sum is σ = 11239981200. Its totient is φ = 11228083264.

The previous prime is 11234032223. The next prime is 11234032237. The reversal of 11234032231 is 13223043211.

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

It is a cyclic number.

It is not a de Polignac number, because 11234032231 - 2³ = 11234032223 is a prime.

It is a super-2 number, since 2×11234032231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11234032237) 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, 2971651 + ... + 2975428.

It is an arithmetic number, because the mean of its divisors is an integer number (2809995300).

Almost surely, 2^11234032231 is an apocalyptic number.

11234032231 is a deficient number, since it is larger than the sum of its proper divisors (5948969).

11234032231 is an equidigital number, since it uses as much as digits as its factorization.

11234032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5948968.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11234032231 its reverse (13223043211), we get a palindrome (24457075442).

The spelling of 11234032231 in words is "eleven billion, two hundred thirty-four million, thirty-two thousand, two hundred thirty-one".