115321030 has 64 divisors (see below), whose sum is σ = 242984448. Its totient is φ = 38940160.

The previous prime is 115321009. The next prime is 115321039. The reversal of 115321030 is 30123511.

It is a junction number, because it is equal to n+sod(n) for n = 115320995 and 115321013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115321039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154839 + ... + 155581.

It is an arithmetic number, because the mean of its divisors is an integer number (3796632).

Almost surely, 2^115321030 is an apocalyptic number.

115321030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115321030 is an abundant number, since it is smaller than the sum of its proper divisors (127663418).

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

115321030 is a wasteful number, since it uses less digits than its factorization.

115321030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 115321030 is about 10738.7629641407. The cubic root of 115321030 is about 486.7465002162.

Adding to 115321030 its reverse (30123511), we get a palindrome (145444541).

The spelling of 115321030 in words is "one hundred fifteen million, three hundred twenty-one thousand, thirty".