103030503 has 8 divisors (see below), whose sum is σ = 137964528. Its totient is φ = 68391744.

The previous prime is 103030493. The next prime is 103030511. The reversal of 103030503 is 305030301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103030503 - 2⁸ = 103030247 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103030573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73000 + ... + 74397.

It is an arithmetic number, because the mean of its divisors is an integer number (17245566).

Almost surely, 2^103030503 is an apocalyptic number.

103030503 is a deficient number, since it is larger than the sum of its proper divisors (34934025).

103030503 is a wasteful number, since it uses less digits than its factorization.

103030503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147633.

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

The square root of 103030503 is about 10150.3942287972. The cubic root of 103030503 is about 468.8010834284.

Adding to 103030503 its reverse (305030301), we get a palindrome (408060804).

The spelling of 103030503 in words is "one hundred three million, thirty thousand, five hundred three".