30103109 has 2 divisors, whose sum is σ = 30103110. Its totient is φ = 30103108.

The previous prime is 30103103. The next prime is 30103111. The reversal of 30103109 is 90130103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28058209 + 2044900 = 5297^2 + 1430^2 .

It is a cyclic number.

It is not a de Polignac number, because 30103109 - 2¹⁶ = 30037573 is a prime.

Together with 30103111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30103103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051554 + 15051555.

It is an arithmetic number, because the mean of its divisors is an integer number (15051555).

Almost surely, 2^30103109 is an apocalyptic number.

It is an amenable number.

30103109 is a deficient number, since it is larger than the sum of its proper divisors (1).

30103109 is an equidigital number, since it uses as much as digits as its factorization.

30103109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 30103109 is about 5486.6300221539. The cubic root of 30103109 is about 311.0788253581.

The spelling of 30103109 in words is "thirty million, one hundred three thousand, one hundred nine".