1311423362303 has 4 divisors (see below), whose sum is σ = 1311967298088. Its totient is φ = 1310879426520.

The previous prime is 1311423362297. The next prime is 1311423362317. The reversal of 1311423362303 is 3032633241131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1311423362303 - 2⁴ = 1311423362287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311423362303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311423362363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271964276 + ... + 271969097.

It is an arithmetic number, because the mean of its divisors is an integer number (327991824522).

Almost surely, 2^{1311423362303} is an apocalyptic number.

1311423362303 is a deficient number, since it is larger than the sum of its proper divisors (543935785).

1311423362303 is an equidigital number, since it uses as much as digits as its factorization.

1311423362303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543935784.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 1311423362303 in words is "one trillion, three hundred eleven billion, four hundred twenty-three million, three hundred sixty-two thousand, three hundred three".