231211330324 has 24 divisors (see below), whose sum is σ = 440640443880. Its totient is φ = 105513897984.

The previous prime is 231211330309. The next prime is 231211330333. The reversal of 231211330324 is 423033112132.

231211330324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19226595600 + 211984734724 = 138660^2 + 460418^2 .

It is a congruent number.

It is an unprimeable number.

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, 24974989 + ... + 24984244.

It is an arithmetic number, because the mean of its divisors is an integer number (18360018495).

Almost surely, 2^231211330324 is an apocalyptic number.

It is an amenable number.

231211330324 is a deficient number, since it is larger than the sum of its proper divisors (209429113556).

231211330324 is a wasteful number, since it uses less digits than its factorization.

231211330324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49959339 (or 49959337 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231211330324 its reverse (423033112132), we get a palindrome (654244442456).

The spelling of 231211330324 in words is "two hundred thirty-one billion, two hundred eleven million, three hundred thirty thousand, three hundred twenty-four".