1213330321303 has 2 divisors, whose sum is σ = 1213330321304. Its totient is φ = 1213330321302.

The previous prime is 1213330321289. The next prime is 1213330321309. The reversal of 1213330321303 is 3031230333121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213330321303 - 2⁵ = 1213330321271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213330321309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606665160651 + 606665160652.

It is an arithmetic number, because the mean of its divisors is an integer number (606665160652).

Almost surely, 2^{1213330321303} is an apocalyptic number.

1213330321303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213330321303 is an equidigital number, since it uses as much as digits as its factorization.

1213330321303 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1213330321303 its reverse (3031230333121), we get a palindrome (4244560654424).

The spelling of 1213330321303 in words is "one trillion, two hundred thirteen billion, three hundred thirty million, three hundred twenty-one thousand, three hundred three".