1313310231203 has 2 divisors, whose sum is σ = 1313310231204. Its totient is φ = 1313310231202.

The previous prime is 1313310231197. The next prime is 1313310231253. The reversal of 1313310231203 is 3021320133131.

It is a weak prime.

It is an emirp because it is prime and its reverse (3021320133131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313310231203 - 2¹⁰ = 1313310230179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313310231253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656655115601 + 656655115602.

It is an arithmetic number, because the mean of its divisors is an integer number (656655115602).

Almost surely, 2^{1313310231203} is an apocalyptic number.

1313310231203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313310231203 is an equidigital number, since it uses as much as digits as its factorization.

1313310231203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1313310231203 its reverse (3021320133131), we get a palindrome (4334630364334).

The spelling of 1313310231203 in words is "one trillion, three hundred thirteen billion, three hundred ten million, two hundred thirty-one thousand, two hundred three".