1311120333233 has 8 divisors (see below), whose sum is σ = 1345510209960. Its totient is φ = 1276845281920.

The previous prime is 1311120333223. The next prime is 1311120333283. The reversal of 1311120333233 is 3323330211131.

It can be written as a sum of positive squares in 4 ways, for example, as 44208006049 + 1266912327184 = 210257^2 + 1125572^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311120333233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311120333223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28683218 + ... + 28728891.

It is an arithmetic number, because the mean of its divisors is an integer number (168188776245).

Almost surely, 2^{1311120333233} is an apocalyptic number.

It is an amenable number.

1311120333233 is a deficient number, since it is larger than the sum of its proper divisors (34389876727).

1311120333233 is an equidigital number, since it uses as much as digits as its factorization.

1311120333233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57412707.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1311120333233 its reverse (3323330211131), we get a palindrome (4634450544364).

The spelling of 1311120333233 in words is "one trillion, three hundred eleven billion, one hundred twenty million, three hundred thirty-three thousand, two hundred thirty-three".