231533422224233 has 4 divisors (see below), whose sum is σ = 232189324270548. Its totient is φ = 230877520177920.

The previous prime is 231533422224227. The next prime is 231533422224241. The reversal of 231533422224233 is 332422224335132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30315452366809 + 201217969857424 = 5505947^2 + 14185132^2 .

It is a cyclic number.

It is not a de Polignac number, because 231533422224233 - 2¹⁰ = 231533422223209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231533422224253) 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, 327951022628 + ... + 327951023333.

It is an arithmetic number, because the mean of its divisors is an integer number (58047331067637).

Almost surely, 2^{231533422224233} is an apocalyptic number.

It is an amenable number.

231533422224233 is a deficient number, since it is larger than the sum of its proper divisors (655902046315).

231533422224233 is an equidigital number, since it uses as much as digits as its factorization.

231533422224233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655902046314.

The product of its digits is 1244160, while the sum is 41.

Adding to 231533422224233 its reverse (332422224335132), we get a palindrome (563955646559365).

The spelling of 231533422224233 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, four hundred twenty-two million, two hundred twenty-four thousand, two hundred thirty-three".