103003213 has 2 divisors, whose sum is σ = 103003214. Its totient is φ = 103003212.

The previous prime is 103003211. The next prime is 103003217. The reversal of 103003213 is 312300301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53187849 + 49815364 = 7293^2 + 7058^2 .

It is a cyclic number.

It is not a de Polignac number, because 103003213 - 2¹ = 103003211 is a prime.

Together with 103003211, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 103003193 and 103003202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103003211) 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, 51501606 + 51501607.

It is an arithmetic number, because the mean of its divisors is an integer number (51501607).

Almost surely, 2^103003213 is an apocalyptic number.

It is an amenable number.

103003213 is a deficient number, since it is larger than the sum of its proper divisors (1).

103003213 is an equidigital number, since it uses as much as digits as its factorization.

103003213 is an odious number, because the sum of its binary digits is odd.

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

The square root of 103003213 is about 10149.0498570063. The cubic root of 103003213 is about 468.7596888545.

Adding to 103003213 its reverse (312300301), we get a palindrome (415303514).

The spelling of 103003213 in words is "one hundred three million, three thousand, two hundred thirteen".