1311303030003 has 16 divisors (see below), whose sum is σ = 1942694440960. Its totient is φ = 874191541608.

The previous prime is 1311303029999. The next prime is 1311303030007. The reversal of 1311303030003 is 3000303031131.

It is an interprime number because it is at equal distance from previous prime (1311303029999) and next prime (1311303030007).

It is not a de Polignac number, because 1311303030003 - 2² = 1311303029999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311303030007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2484426 + ... + 2965632.

It is an arithmetic number, because the mean of its divisors is an integer number (121418402560).

Almost surely, 2^{1311303030003} is an apocalyptic number.

1311303030003 is a deficient number, since it is larger than the sum of its proper divisors (631391410957).

1311303030003 is a wasteful number, since it uses less digits than its factorization.

1311303030003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582143 (or 582137 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

Adding to 1311303030003 its reverse (3000303031131), we get a palindrome (4311606061134).

The spelling of 1311303030003 in words is "one trillion, three hundred eleven billion, three hundred three million, thirty thousand, three".