231042045426 has 24 divisors (see below), whose sum is σ = 487684322064. Its totient is φ = 72960645240.

The previous prime is 231042045419. The next prime is 231042045431. The reversal of 231042045426 is 624540240132.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 53331640 + ... + 53335971.

It is an arithmetic number, because the mean of its divisors is an integer number (20320180086).

Almost surely, 2^231042045426 is an apocalyptic number.

231042045426 is an abundant number, since it is smaller than the sum of its proper divisors (256642276638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231042045426 is a wasteful number, since it uses less digits than its factorization.

231042045426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106667654 (or 106667635 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 231042045426 its reverse (624540240132), we get a palindrome (855582285558).

The spelling of 231042045426 in words is "two hundred thirty-one billion, forty-two million, forty-five thousand, four hundred twenty-six".