30520103 has 8 divisors (see below), whose sum is σ = 32449248. Its totient is φ = 28641184.

The previous prime is 30520097. The next prime is 30520111. The reversal of 30520103 is 30102503.

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 30520103 - 2¹² = 30516007 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 (30520123) 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, 11300 + ... + 13737.

It is an arithmetic number, because the mean of its divisors is an integer number (4056156).

Almost surely, 2^30520103 is an apocalyptic number.

30520103 is a deficient number, since it is larger than the sum of its proper divisors (1929145).

30520103 is a wasteful number, since it uses less digits than its factorization.

30520103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25113.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 30520103 is about 5524.5002488913. The cubic root of 30520103 is about 312.5086180023.

Adding to 30520103 its reverse (30102503), we get a palindrome (60622606).

The spelling of 30520103 in words is "thirty million, five hundred twenty thousand, one hundred three".