1311333320011 has 8 divisors (see below), whose sum is σ = 1540587397104. Its totient is φ = 1100419569120.

The previous prime is 1311333319999. The next prime is 1311333320183. The reversal of 1311333320011 is 1100233331131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311333320011 - 2¹³ = 1311333311819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311333360011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4585081396 + ... + 4585081681.

It is an arithmetic number, because the mean of its divisors is an integer number (192573424638).

Almost surely, 2^{1311333320011} is an apocalyptic number.

1311333320011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1311333320011 is a deficient number, since it is larger than the sum of its proper divisors (229254077093).

1311333320011 is a wasteful number, since it uses less digits than its factorization.

1311333320011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170163101.

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

Adding to 1311333320011 its reverse (1100233331131), we get a palindrome (2411566651142).

The spelling of 1311333320011 in words is "one trillion, three hundred eleven billion, three hundred thirty-three million, three hundred twenty thousand, eleven".