1320013333 has 2 divisors, whose sum is σ = 1320013334. Its totient is φ = 1320013332.

The previous prime is 1320013319. The next prime is 1320013337. The reversal of 1320013333 is 3333100231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1319650929 + 362404 = 36327^2 + 602^2 .

It is an emirp because it is prime and its reverse (3333100231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320013333 - 2⁵ = 1320013301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1320013333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320013337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660006666 + 660006667.

It is an arithmetic number, because the mean of its divisors is an integer number (660006667).

Almost surely, 2^1320013333 is an apocalyptic number.

It is an amenable number.

1320013333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320013333 is an equidigital number, since it uses as much as digits as its factorization.

1320013333 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 1320013333 is about 36331.9877380801. The cubic root of 1320013333 is about 1096.9650038542.

Adding to 1320013333 its reverse (3333100231), we get a palindrome (4653113564).

The spelling of 1320013333 in words is "one billion, three hundred twenty million, thirteen thousand, three hundred thirty-three".