1023313313203 has 2 divisors, whose sum is σ = 1023313313204. Its totient is φ = 1023313313202.

The previous prime is 1023313313153. The next prime is 1023313313207. The reversal of 1023313313203 is 3023133133201.

It is a strong prime.

It is an emirp because it is prime and its reverse (3023133133201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023313313203 - 2¹⁷ = 1023313182131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023313313207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511656656601 + 511656656602.

It is an arithmetic number, because the mean of its divisors is an integer number (511656656602).

Almost surely, 2^{1023313313203} is an apocalyptic number.

1023313313203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023313313203 is an equidigital number, since it uses as much as digits as its factorization.

1023313313203 is an evil number, because the sum of its binary digits is even.

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

Adding to 1023313313203 its reverse (3023133133201), we get a palindrome (4046446446404).

The spelling of 1023313313203 in words is "one trillion, twenty-three billion, three hundred thirteen million, three hundred thirteen thousand, two hundred three".