428312131118 has 16 divisors (see below), whose sum is σ = 646460068176. Its totient is φ = 212825646720.

The previous prime is 428312131111. The next prime is 428312131139. The reversal of 428312131118 is 811131213824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428312131111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4863638 + ... + 4950918.

It is an arithmetic number, because the mean of its divisors is an integer number (40403754261).

Almost surely, 2^428312131118 is an apocalyptic number.

428312131118 is a deficient number, since it is larger than the sum of its proper divisors (218147937058).

428312131118 is a wasteful number, since it uses less digits than its factorization.

428312131118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102499.

The product of its digits is 9216, while the sum is 35.

The spelling of 428312131118 in words is "four hundred twenty-eight billion, three hundred twelve million, one hundred thirty-one thousand, one hundred eighteen".