103304520503 has 8 divisors (see below), whose sum is σ = 103600875072. Its totient is φ = 103008473856.

The previous prime is 103304520463. The next prime is 103304520523. The reversal of 103304520503 is 305025403301.

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

It is a cyclic number.

It is not a de Polignac number, because 103304520503 - 2²⁰ = 103303471927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103304520523) 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, 603551 + ... + 755567.

It is an arithmetic number, because the mean of its divisors is an integer number (12950109384).

Almost surely, 2^103304520503 is an apocalyptic number.

103304520503 is a deficient number, since it is larger than the sum of its proper divisors (296354569).

103304520503 is a wasteful number, since it uses less digits than its factorization.

103304520503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153961.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 103304520503 its reverse (305025403301), we get a palindrome (408329923804).

The spelling of 103304520503 in words is "one hundred three billion, three hundred four million, five hundred twenty thousand, five hundred three".