103430213 has 2 divisors, whose sum is σ = 103430214. Its totient is φ = 103430212.

The previous prime is 103430177. The next prime is 103430219. The reversal of 103430213 is 312034301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90592324 + 12837889 = 9518^2 + 3583^2 .

It is a cyclic number.

It is not a de Polignac number, because 103430213 - 2⁸ = 103429957 is a prime.

It is a super-2 number, since 2×103430213² = 21395617922450738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103430191 and 103430200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103430219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51715106 + 51715107.

It is an arithmetic number, because the mean of its divisors is an integer number (51715107).

Almost surely, 2^103430213 is an apocalyptic number.

It is an amenable number.

103430213 is a deficient number, since it is larger than the sum of its proper divisors (1).

103430213 is an equidigital number, since it uses as much as digits as its factorization.

103430213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 103430213 is about 10170.0645524008. The cubic root of 103430213 is about 469.4065438673.

Adding to 103430213 its reverse (312034301), we get a palindrome (415464514).

The spelling of 103430213 in words is "one hundred three million, four hundred thirty thousand, two hundred thirteen".