231322233203 has 4 divisors (see below), whose sum is σ = 235242949080. Its totient is φ = 227401517328.

The previous prime is 231322233187. The next prime is 231322233251. The reversal of 231322233203 is 302332223132.

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

It is a cyclic number.

It is not a de Polignac number, because 231322233203 - 2⁴ = 231322233187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231322230203) 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, 1960357850 + ... + 1960357967.

It is an arithmetic number, because the mean of its divisors is an integer number (58810737270).

Almost surely, 2^231322233203 is an apocalyptic number.

231322233203 is a deficient number, since it is larger than the sum of its proper divisors (3920715877).

231322233203 is an equidigital number, since it uses as much as digits as its factorization.

231322233203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920715876.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 231322233203 its reverse (302332223132), we get a palindrome (533654456335).

The spelling of 231322233203 in words is "two hundred thirty-one billion, three hundred twenty-two million, two hundred thirty-three thousand, two hundred three".