231101223233 has 16 divisors (see below), whose sum is σ = 242874322560. Its totient is φ = 219475390464.

The previous prime is 231101223191. The next prime is 231101223289. The reversal of 231101223233 is 332322101132.

231101223233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 231101223233 - 2¹⁴ = 231101206849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231101223199 and 231101223208.

It is not an unprimeable number, because it can be changed into a prime (231101223433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2901185 + ... + 2979777.

It is an arithmetic number, because the mean of its divisors is an integer number (15179645160).

Almost surely, 2^231101223233 is an apocalyptic number.

231101223233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

231101223233 is a deficient number, since it is larger than the sum of its proper divisors (11773099327).

231101223233 is a wasteful number, since it uses less digits than its factorization.

231101223233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79528.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 231101223233 its reverse (332322101132), we get a palindrome (563423324365).

The spelling of 231101223233 in words is "two hundred thirty-one billion, one hundred one million, two hundred twenty-three thousand, two hundred thirty-three".