231440450504 has 32 divisors (see below), whose sum is σ = 451476480000. Its totient is φ = 111105509760.

The previous prime is 231440450497. The next prime is 231440450513. The reversal of 231440450504 is 405054044132.

231440450504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3642629 + ... + 3705620.

It is an arithmetic number, because the mean of its divisors is an integer number (14108640000).

Almost surely, 2^231440450504 is an apocalyptic number.

It is an amenable number.

231440450504 is a deficient number, since it is larger than the sum of its proper divisors (220036029496).

231440450504 is a wasteful number, since it uses less digits than its factorization.

231440450504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348413 (or 7348409 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 231440450504 its reverse (405054044132), we get a palindrome (636494494636).

The spelling of 231440450504 in words is "two hundred thirty-one billion, four hundred forty million, four hundred fifty thousand, five hundred four".