103046213 has 2 divisors, whose sum is σ = 103046214. Its totient is φ = 103046212.

The previous prime is 103046191. The next prime is 103046227. The reversal of 103046213 is 312640301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101646724 + 1399489 = 10082^2 + 1183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103046213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103046113) 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, 51523106 + 51523107.

It is an arithmetic number, because the mean of its divisors is an integer number (51523107).

Almost surely, 2^103046213 is an apocalyptic number.

It is an amenable number.

103046213 is a deficient number, since it is larger than the sum of its proper divisors (1).

103046213 is an equidigital number, since it uses as much as digits as its factorization.

103046213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 103046213 is about 10151.1680608687. The cubic root of 103046213 is about 468.8249096757.

Adding to 103046213 its reverse (312640301), we get a palindrome (415686514).

The spelling of 103046213 in words is "one hundred three million, forty-six thousand, two hundred thirteen".