231241213203 has 128 divisors (see below), whose sum is σ = 426259169280. Its totient is φ = 107608849920.

The previous prime is 231241213183. The next prime is 231241213207. The reversal of 231241213203 is 302312142132.

It is not a de Polignac number, because 231241213203 - 2⁵ = 231241213171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231241213207) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 46553026 + ... + 46557992.

It is an arithmetic number, because the mean of its divisors is an integer number (3330149760).

Almost surely, 2^231241213203 is an apocalyptic number.

231241213203 is a deficient number, since it is larger than the sum of its proper divisors (195017956077).

231241213203 is a wasteful number, since it uses less digits than its factorization.

231241213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231241213203 its reverse (302312142132), we get a palindrome (533553355335).

It can be divided in two parts, 231241 and 213203, that added together give a palindrome (444444).

The spelling of 231241213203 in words is "two hundred thirty-one billion, two hundred forty-one million, two hundred thirteen thousand, two hundred three".