231231034024 has 8 divisors (see below), whose sum is σ = 433558188810. Its totient is φ = 115615517008.

The previous prime is 231231034009. The next prime is 231231034031. The reversal of 231231034024 is 420430132132.

231231034024 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 only one way, i.e., 123109756900 + 108121277124 = 350870^2 + 328818^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 231231034024.

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 as a sum of consecutive naturals, namely, 14451939619 + ... + 14451939634.

Almost surely, 2^231231034024 is an apocalyptic number.

It is an amenable number.

231231034024 is a deficient number, since it is larger than the sum of its proper divisors (202327154786).

231231034024 is a wasteful number, since it uses less digits than its factorization.

231231034024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28903879259 (or 28903879255 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 231231034024 its reverse (420430132132), we get a palindrome (651661166156).

The spelling of 231231034024 in words is "two hundred thirty-one billion, two hundred thirty-one million, thirty-four thousand, twenty-four".