115103430 has 160 divisors (see below), whose sum is σ = 353463264. Its totient is φ = 26625024.

The previous prime is 115103399. The next prime is 115103459. The reversal of 115103430 is 34301511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 178689 + ... + 179331.

Almost surely, 2^115103430 is an apocalyptic number.

115103430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115103430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176731632).

115103430 is an abundant number, since it is smaller than the sum of its proper divisors (238359834).

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

115103430 is a wasteful number, since it uses less digits than its factorization.

115103430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 115103430 is about 10728.6266595497. The cubic root of 115103430 is about 486.4401590794.

Adding to 115103430 its reverse (34301511), we get a palindrome (149404941).

The spelling of 115103430 in words is "one hundred fifteen million, one hundred three thousand, four hundred thirty".