1312303311303 has 16 divisors (see below), whose sum is σ = 1795435286016. Its totient is φ = 852196544640.

The previous prime is 1312303311287. The next prime is 1312303311313. The reversal of 1312303311303 is 3031133032131.

It is not a de Polignac number, because 1312303311303 - 2⁴ = 1312303311287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312303311313) 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 in 15 ways as a sum of consecutive naturals, for example, 22025026 + ... + 22084527.

It is an arithmetic number, because the mean of its divisors is an integer number (112214705376).

Almost surely, 2^{1312303311303} is an apocalyptic number.

1312303311303 is a deficient number, since it is larger than the sum of its proper divisors (483131974713).

1312303311303 is a wasteful number, since it uses less digits than its factorization.

1312303311303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44109814.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 1312303311303 its reverse (3031133032131), we get a palindrome (4343436343434).

The spelling of 1312303311303 in words is "one trillion, three hundred twelve billion, three hundred three million, three hundred eleven thousand, three hundred three".