1313433313 has 2 divisors, whose sum is σ = 1313433314. Its totient is φ = 1313433312.

The previous prime is 1313433241. The next prime is 1313433353. The reversal of 1313433313 is 3133343131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1297656529 + 15776784 = 36023^2 + 3972^2 .

It is an emirp because it is prime and its reverse (3133343131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313433313 - 2¹³ = 1313425121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313433353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656716656 + 656716657.

It is an arithmetic number, because the mean of its divisors is an integer number (656716657).

Almost surely, 2^1313433313 is an apocalyptic number.

It is an amenable number.

1313433313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313433313 is an equidigital number, since it uses as much as digits as its factorization.

1313433313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 25.

The square root of 1313433313 is about 36241.3205195396. The cubic root of 1313433313 is about 1095.1392448876.

Adding to 1313433313 its reverse (3133343131), we get a palindrome (4446776444).

The spelling of 1313433313 in words is "one billion, three hundred thirteen million, four hundred thirty-three thousand, three hundred thirteen".