428312131119 has 12 divisors (see below), whose sum is σ = 618696925392. Its totient is φ = 285530414400.

The previous prime is 428312131111. The next prime is 428312131139. The reversal of 428312131119 is 911131213824.

It is a happy number.

428312131119 is a `hidden beast` number, since 4 + 28 + 312 + 1 + 311 + 1 + 9 = 666.

It is not a de Polignac number, because 428312131119 - 2³ = 428312131111 is a prime.

It is a super-2 number, since 2×428312131119² (a number of 24 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 667147 + ... + 1140924.

It is an arithmetic number, because the mean of its divisors is an integer number (51558077116).

Almost surely, 2^428312131119 is an apocalyptic number.

428312131119 is a deficient number, since it is larger than the sum of its proper divisors (190384794273).

428312131119 is a wasteful number, since it uses less digits than its factorization.

428312131119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834398 (or 1834395 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The spelling of 428312131119 in words is "four hundred twenty-eight billion, three hundred twelve million, one hundred thirty-one thousand, one hundred nineteen".