103030247 has 2 divisors, whose sum is σ = 103030248. Its totient is φ = 103030246.

The previous prime is 103030241. The next prime is 103030261. The reversal of 103030247 is 742030301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103030247 - 2⁸ = 103029991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103030241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51515123 + 51515124.

It is an arithmetic number, because the mean of its divisors is an integer number (51515124).

Almost surely, 2^103030247 is an apocalyptic number.

103030247 is a deficient number, since it is larger than the sum of its proper divisors (1).

103030247 is an equidigital number, since it uses as much as digits as its factorization.

103030247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 103030247 is about 10150.3816184417. The cubic root of 103030247 is about 468.8006951512.

Adding to 103030247 its reverse (742030301), we get a palindrome (845060548).

The spelling of 103030247 in words is "one hundred three million, thirty thousand, two hundred forty-seven".