10303213 has 2 divisors, whose sum is σ = 10303214. Its totient is φ = 10303212.

The previous prime is 10303211. The next prime is 10303217. The reversal of 10303213 is 31230301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9375844 + 927369 = 3062^2 + 963^2 .

It is a cyclic number.

It is not a de Polignac number, because 10303213 - 2¹ = 10303211 is a prime.

Together with 10303211, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10303193 and 10303202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10303211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151606 + 5151607.

It is an arithmetic number, because the mean of its divisors is an integer number (5151607).

Almost surely, 2^10303213 is an apocalyptic number.

It is an amenable number.

10303213 is a deficient number, since it is larger than the sum of its proper divisors (1).

10303213 is an equidigital number, since it uses as much as digits as its factorization.

10303213 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 10303213 is about 3209.8618350328. The cubic root of 10303213 is about 217.5993327929.

Adding to 10303213 its reverse (31230301), we get a palindrome (41533514).

The spelling of 10303213 in words is "ten million, three hundred three thousand, two hundred thirteen".