431818116 has 12 divisors (see below), whose sum is σ = 1007575632. Its totient is φ = 143939368.

The previous prime is 431818069. The next prime is 431818147. The reversal of 431818116 is 611818134.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17992410 + ... + 17992433.

It is an arithmetic number, because the mean of its divisors is an integer number (83964636).

Almost surely, 2^431818116 is an apocalyptic number.

It is an amenable number.

431818116 is an abundant number, since it is smaller than the sum of its proper divisors (575757516).

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

431818116 is a wasteful number, since it uses less digits than its factorization.

431818116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35984850 (or 35984848 counting only the distinct ones).

The product of its digits is 4608, while the sum is 33.

The square root of 431818116 is about 20780.2337811681. The cubic root of 431818116 is about 755.8465226922.

The spelling of 431818116 in words is "four hundred thirty-one million, eight hundred eighteen thousand, one hundred sixteen".