103115530 has 32 divisors (see below), whose sum is σ = 212688000. Its totient is φ = 35259840.

The previous prime is 103115521. The next prime is 103115531. The reversal of 103115530 is 35511301.

It is a junction number, because it is equal to n+sod(n) for n = 103115498 and 103115507.

It is not an unprimeable number, because it can be changed into a prime (103115531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27721 + ... + 31219.

It is an arithmetic number, because the mean of its divisors is an integer number (6646500).

Almost surely, 2^103115530 is an apocalyptic number.

103115530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103115530 is an abundant number, since it is smaller than the sum of its proper divisors (109572470).

103115530 is a wasteful number, since it uses less digits than its factorization.

103115530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 103115530 is about 10154.5817245222. The cubic root of 103115530 is about 468.9300089680.

Adding to 103115530 its reverse (35511301), we get a palindrome (138626831).

It can be divided in two parts, 1031 and 15530, that added together give a palindrome (16561).

The spelling of 103115530 in words is "one hundred three million, one hundred fifteen thousand, five hundred thirty".