1311323300311 has 4 divisors (see below), whose sum is σ = 1311360566824. Its totient is φ = 1311286033800.

The previous prime is 1311323300267. The next prime is 1311323300327. The reversal of 1311323300311 is 1130033231131.

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 1311323300311 - 2³⁵ = 1276963561943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311323300411) 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, 18580425 + ... + 18650866.

It is an arithmetic number, because the mean of its divisors is an integer number (327840141706).

Almost surely, 2^{1311323300311} is an apocalyptic number.

1311323300311 is a deficient number, since it is larger than the sum of its proper divisors (37266513).

1311323300311 is an equidigital number, since it uses as much as digits as its factorization.

1311323300311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37266512.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1311323300311 its reverse (1130033231131), we get a palindrome (2441356531442).

The spelling of 1311323300311 in words is "one trillion, three hundred eleven billion, three hundred twenty-three million, three hundred thousand, three hundred eleven".