11311013221333 has 16 divisors (see below), whose sum is σ = 13191966172800. Its totient is φ = 9694213243008.

The previous prime is 11311013221307. The next prime is 11311013221349. The reversal of 11311013221333 is 33312231011311.

It is not a de Polignac number, because 11311013221333 - 2⁵ = 11311013221301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11311013221298 and 11311013221307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311013221393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1950510 + ... + 5140672.

It is an arithmetic number, because the mean of its divisors is an integer number (824497885800).

Almost surely, 2^{11311013221333} is an apocalyptic number.

It is an amenable number.

11311013221333 is a deficient number, since it is larger than the sum of its proper divisors (1880952951467).

11311013221333 is an equidigital number, since it uses as much as digits as its factorization.

11311013221333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200521 (or 3200507 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 11311013221333 its reverse (33312231011311), we get a palindrome (44623244232644).

The spelling of 11311013221333 in words is "eleven trillion, three hundred eleven billion, thirteen million, two hundred twenty-one thousand, three hundred thirty-three".