104431111242 has 32 divisors (see below), whose sum is σ = 219495705792. Its totient is φ = 33081882624.

The previous prime is 104431111157. The next prime is 104431111247. The reversal of 104431111242 is 242111134401.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (104431111247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5460343 + ... + 5479434.

It is an arithmetic number, because the mean of its divisors is an integer number (6859240806).

Almost surely, 2^104431111242 is an apocalyptic number.

104431111242 is an abundant number, since it is smaller than the sum of its proper divisors (115064594550).

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

104431111242 is a wasteful number, since it uses less digits than its factorization.

104431111242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10939862.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 104431111242 its reverse (242111134401), we get a palindrome (346542245643).

The spelling of 104431111242 in words is "one hundred four billion, four hundred thirty-one million, one hundred eleven thousand, two hundred forty-two".