231303021233 has 8 divisors (see below), whose sum is σ = 234763426848. Its totient is φ = 227842854624.

The previous prime is 231303021181. The next prime is 231303021251. The reversal of 231303021233 is 332120303132.

231303021233 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 a cyclic number.

It is not a de Polignac number, because 231303021233 - 2¹⁰ = 231303020209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231303021199 and 231303021208.

It is not an unprimeable number, because it can be changed into a prime (231303021263) 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 7 ways as a sum of consecutive naturals, for example, 3250685 + ... + 3321077.

It is an arithmetic number, because the mean of its divisors is an integer number (29345428356).

Almost surely, 2^231303021233 is an apocalyptic number.

It is an amenable number.

231303021233 is a deficient number, since it is larger than the sum of its proper divisors (3460405615).

231303021233 is an equidigital number, since it uses as much as digits as its factorization.

231303021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119503.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 231303021233 its reverse (332120303132), we get a palindrome (563423324365).

The spelling of 231303021233 in words is "two hundred thirty-one billion, three hundred three million, twenty-one thousand, two hundred thirty-three".