1311013220333 has 8 divisors (see below), whose sum is σ = 1424530494720. Its totient is φ = 1201947603840.

The previous prime is 1311013220327. The next prime is 1311013220339. The reversal of 1311013220333 is 3330223101131.

It is an interprime number because it is at equal distance from previous prime (1311013220327) and next prime (1311013220339).

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 1311013220333 - 2¹⁴ = 1311013203949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311013220299 and 1311013220308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311013220339) 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, 1112913860 + ... + 1112915037.

It is an arithmetic number, because the mean of its divisors is an integer number (178066311840).

Almost surely, 2^{1311013220333} is an apocalyptic number.

It is an amenable number.

1311013220333 is a deficient number, since it is larger than the sum of its proper divisors (113517274387).

1311013220333 is a wasteful number, since it uses less digits than its factorization.

1311013220333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225828947.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1311013220333 its reverse (3330223101131), we get a palindrome (4641236321464).

The spelling of 1311013220333 in words is "one trillion, three hundred eleven billion, thirteen million, two hundred twenty thousand, three hundred thirty-three".