1312303102003 has 2 divisors, whose sum is σ = 1312303102004. Its totient is φ = 1312303102002.

The previous prime is 1312303101959. The next prime is 1312303102037. The reversal of 1312303102003 is 3002013032131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312303102003 - 2¹³ = 1312303093811 is a prime.

It is a super-2 number, since 2×1312303102003² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1312303102603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656151551001 + 656151551002.

It is an arithmetic number, because the mean of its divisors is an integer number (656151551002).

Almost surely, 2^{1312303102003} is an apocalyptic number.

1312303102003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312303102003 is an equidigital number, since it uses as much as digits as its factorization.

1312303102003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1312303102003 its reverse (3002013032131), we get a palindrome (4314316134134).

The spelling of 1312303102003 in words is "one trillion, three hundred twelve billion, three hundred three million, one hundred two thousand, three".