428312131120 has 40 divisors (see below), whose sum is σ = 1000985459616. Its totient is φ = 170437152768.

The previous prime is 428312131111. The next prime is 428312131139. The reversal of 428312131120 is 21131213824.

It is a tau number, because it is divible by the number of its divisors (40).

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 in 7 ways as a sum of consecutive naturals, for example, 13854772 + ... + 13885651.

Almost surely, 2^428312131120 is an apocalyptic number.

428312131120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

428312131120 is an abundant number, since it is smaller than the sum of its proper divisors (572673328496).

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

428312131120 is a wasteful number, since it uses less digits than its factorization.

428312131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27740629 (or 27740623 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 428312131120 its reverse (21131213824), we get a palindrome (449443344944).

The spelling of 428312131120 in words is "four hundred twenty-eight billion, three hundred twelve million, one hundred thirty-one thousand, one hundred twenty".