2131301128 has 16 divisors (see below), whose sum is σ = 4359479760. Its totient is φ = 968773200.

The previous prime is 2131301113. The next prime is 2131301129. The reversal of 2131301128 is 8211031312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2131301099 and 2131301108.

It is not an unprimeable number, because it can be changed into a prime (2131301129) 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 3 ways as a sum of consecutive naturals, for example, 12109578 + ... + 12109753.

It is an arithmetic number, because the mean of its divisors is an integer number (272467485).

Almost surely, 2^2131301128 is an apocalyptic number.

It is an amenable number.

2131301128 is an abundant number, since it is smaller than the sum of its proper divisors (2228178632).

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

2131301128 is a wasteful number, since it uses less digits than its factorization.

2131301128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24219348 (or 24219344 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2131301128 is about 46166.0170255135. The cubic root of 2131301128 is about 1286.9102844684.

The spelling of 2131301128 in words is "two billion, one hundred thirty-one million, three hundred one thousand, one hundred twenty-eight".