1311330332233 has 16 divisors (see below), whose sum is σ = 1443117127680. Its totient is φ = 1186027050384.

The previous prime is 1311330332231. The next prime is 1311330332287. The reversal of 1311330332233 is 3322330331131.

It is not a de Polignac number, because 1311330332233 - 2¹ = 1311330332231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311330332231) 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, 2640241 + ... + 3097342.

It is an arithmetic number, because the mean of its divisors is an integer number (90194820480).

Almost surely, 2^{1311330332233} is an apocalyptic number.

It is an amenable number.

1311330332233 is a deficient number, since it is larger than the sum of its proper divisors (131786795447).

1311330332233 is a wasteful number, since it uses less digits than its factorization.

1311330332233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5738148.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 1311330332233 its reverse (3322330331131), we get a palindrome (4633660663364).

The spelling of 1311330332233 in words is "one trillion, three hundred eleven billion, three hundred thirty million, three hundred thirty-two thousand, two hundred thirty-three".