11331321023331 has 6 divisors (see below), whose sum is σ = 16367463700380. Its totient is φ = 7554214015548.

The previous prime is 11331321023203. The next prime is 11331321023339. The reversal of 11331321023331 is 13332012313311.

11331321023331 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 1 + 321 + 0 + 2 + 3 + 331 = 666.

It is not a de Polignac number, because 11331321023331 - 2⁷ = 11331321023203 is a prime.

It is a super-2 number, since 2×11331321023331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11331321023295 and 11331321023304.

It is not an unprimeable number, because it can be changed into a prime (11331321023339) 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 5 ways as a sum of consecutive naturals, for example, 629517834621 + ... + 629517834638.

It is an arithmetic number, because the mean of its divisors is an integer number (2727910616730).

Almost surely, 2^{11331321023331} is an apocalyptic number.

11331321023331 is a deficient number, since it is larger than the sum of its proper divisors (5036142677049).

11331321023331 is a wasteful number, since it uses less digits than its factorization.

11331321023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259035669265 (or 1259035669262 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 11331321023331 its reverse (13332012313311), we get a palindrome (24663333336642).

The spelling of 11331321023331 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty-one million, twenty-three thousand, three hundred thirty-one".