1312311310003 has 2 divisors, whose sum is σ = 1312311310004. Its totient is φ = 1312311310002.

The previous prime is 1312311309941. The next prime is 1312311310039. The reversal of 1312311310003 is 3000131132131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312311310003 - 2¹⁷ = 1312311178931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312311314003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656155655001 + 656155655002.

It is an arithmetic number, because the mean of its divisors is an integer number (656155655002).

Almost surely, 2^{1312311310003} is an apocalyptic number.

1312311310003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312311310003 is an equidigital number, since it uses as much as digits as its factorization.

1312311310003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1312311310003 its reverse (3000131132131), we get a palindrome (4312442442134).

The spelling of 1312311310003 in words is "one trillion, three hundred twelve billion, three hundred eleven million, three hundred ten thousand, three".