231332023033 has 4 divisors (see below), whose sum is σ = 232291907188. Its totient is φ = 230372138880.

The previous prime is 231332023031. The next prime is 231332023061. The reversal of 231332023033 is 330320233132.

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 178415001664 + 52917021369 = 422392^2 + 230037^2 .

It is a cyclic number.

It is not a de Polignac number, because 231332023033 - 2¹ = 231332023031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231332022989 and 231332023007.

It is not an unprimeable number, because it can be changed into a prime (231332023031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479941716 + ... + 479942197.

It is an arithmetic number, because the mean of its divisors is an integer number (58072976797).

Almost surely, 2^231332023033 is an apocalyptic number.

It is an amenable number.

231332023033 is a deficient number, since it is larger than the sum of its proper divisors (959884155).

231332023033 is an equidigital number, since it uses as much as digits as its factorization.

231332023033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959884154.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 231332023033 its reverse (330320233132), we get a palindrome (561652256165).

The spelling of 231332023033 in words is "two hundred thirty-one billion, three hundred thirty-two million, twenty-three thousand, thirty-three".