231213033244 has 6 divisors (see below), whose sum is σ = 404622808184. Its totient is φ = 115606516620.

The previous prime is 231213033241. The next prime is 231213033251. The reversal of 231213033244 is 442330312132.

It is a happy number.

231213033244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231213033241) 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 as a sum of consecutive naturals, namely, 28901629152 + ... + 28901629159.

Almost surely, 2^231213033244 is an apocalyptic number.

It is an amenable number.

231213033244 is a deficient number, since it is larger than the sum of its proper divisors (173409774940).

231213033244 is a wasteful number, since it uses less digits than its factorization.

231213033244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57803258315 (or 57803258313 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 231213033244 its reverse (442330312132), we get a palindrome (673543345376).

The spelling of 231213033244 in words is "two hundred thirty-one billion, two hundred thirteen million, thirty-three thousand, two hundred forty-four".