30213103 has 4 divisors (see below), whose sum is σ = 30233448. Its totient is φ = 30192760.

The previous prime is 30213101. The next prime is 30213107. The reversal of 30213103 is 30131203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30131203 = 29 ⋅1039007.

It is a cyclic number.

It is not a de Polignac number, because 30213103 - 2¹ = 30213101 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 (30213101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7753 + ... + 10978.

It is an arithmetic number, because the mean of its divisors is an integer number (7558362).

Almost surely, 2^30213103 is an apocalyptic number.

30213103 is a deficient number, since it is larger than the sum of its proper divisors (20345).

30213103 is a wasteful number, since it uses less digits than its factorization.

30213103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20344.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30213103 is about 5496.6447038170. The cubic root of 30213103 is about 311.4572493240.

Adding to 30213103 its reverse (30131203), we get a palindrome (60344306).

The spelling of 30213103 in words is "thirty million, two hundred thirteen thousand, one hundred three".