11431231233 has 8 divisors (see below), whose sum is σ = 15326791200. Its totient is φ = 7578246048.

The previous prime is 11431231199. The next prime is 11431231271. The reversal of 11431231233 is 33213213411.

11431231233 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 not a de Polignac number, because 11431231233 - 2⁹ = 11431230721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11431238233) 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, 10643068 + ... + 10644141.

It is an arithmetic number, because the mean of its divisors is an integer number (1915848900).

Almost surely, 2^11431231233 is an apocalyptic number.

It is an amenable number.

11431231233 is a deficient number, since it is larger than the sum of its proper divisors (3895559967).

11431231233 is a wasteful number, since it uses less digits than its factorization.

11431231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21287391.

The product of its digits is 1296, while the sum is 24.

Adding to 11431231233 its reverse (33213213411), we get a palindrome (44644444644).

The spelling of 11431231233 in words is "eleven billion, four hundred thirty-one million, two hundred thirty-one thousand, two hundred thirty-three".