115831328 has 48 divisors (see below), whose sum is σ = 233041536. Its totient is φ = 56663040.

The previous prime is 115831327. The next prime is 115831369. The reversal of 115831328 is 823138511.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 115831294 and 115831303.

It is not an unprimeable number, because it can be changed into a prime (115831327) 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 7 ways as a sum of consecutive naturals, for example, 372293 + ... + 372603.

It is an arithmetic number, because the mean of its divisors is an integer number (4855032).

Almost surely, 2^115831328 is an apocalyptic number.

It is an amenable number.

115831328 is an abundant number, since it is smaller than the sum of its proper divisors (117210208).

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

115831328 is a wasteful number, since it uses less digits than its factorization.

115831328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 529 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 115831328 is about 10762.4963646916. The cubic root of 115831328 is about 487.4633983478.

Adding to 115831328 its reverse (823138511), we get a palindrome (938969839).

The spelling of 115831328 in words is "one hundred fifteen million, eight hundred thirty-one thousand, three hundred twenty-eight".