103213333 has 2 divisors, whose sum is σ = 103213334. Its totient is φ = 103213332.

The previous prime is 103213321. The next prime is 103213337. The reversal of 103213333 is 333312301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53553124 + 49660209 = 7318^2 + 7047^2 .

It is a cyclic number.

It is not a de Polignac number, because 103213333 - 2⁹ = 103212821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103213333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103213337) 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, 51606666 + 51606667.

It is an arithmetic number, because the mean of its divisors is an integer number (51606667).

Almost surely, 2^103213333 is an apocalyptic number.

It is an amenable number.

103213333 is a deficient number, since it is larger than the sum of its proper divisors (1).

103213333 is an equidigital number, since it uses as much as digits as its factorization.

103213333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 103213333 is about 10159.3962911189. The cubic root of 103213333 is about 469.0782190043.

Adding to 103213333 its reverse (333312301), we get a palindrome (436525634).

It can be divided in two parts, 1032 and 13333, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 103213333 in words is "one hundred three million, two hundred thirteen thousand, three hundred thirty-three".