103503030 has 64 divisors (see below), whose sum is σ = 258508800. Its totient is φ = 26490240.

The previous prime is 103502981. The next prime is 103503041. The reversal of 103503030 is 30305301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235551 + ... + 235989.

It is an arithmetic number, because the mean of its divisors is an integer number (4039200).

Almost surely, 2^103503030 is an apocalyptic number.

103503030 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 103503030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129254400).

103503030 is an abundant number, since it is smaller than the sum of its proper divisors (155005770).

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

103503030 is a wasteful number, since it uses less digits than its factorization.

103503030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 135, while the sum is 15.

The square root of 103503030 is about 10173.6438899737. The cubic root of 103503030 is about 469.5166753177.

Adding to 103503030 its reverse (30305301), we get a palindrome (133808331).

The spelling of 103503030 in words is "one hundred three million, five hundred three thousand, thirty".