11331131323312 has 40 divisors (see below), whose sum is σ = 22474686528000. Its totient is φ = 5531787615552.

The previous prime is 11331131323273. The next prime is 11331131323327. The reversal of 11331131323312 is 21332313113311.

It is a happy number.

It is a super-2 number, since 2×11331131323312² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17665812 + ... + 18295987.

It is an arithmetic number, because the mean of its divisors is an integer number (561867163200).

Almost surely, 2^{11331131323312} is an apocalyptic number.

It is an amenable number.

11331131323312 is a deficient number, since it is larger than the sum of its proper divisors (11143555204688).

11331131323312 is a wasteful number, since it uses less digits than its factorization.

11331131323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35962273 (or 35962267 counting only the distinct ones).

The product of its digits is 2916, while the sum is 28.

Adding to 11331131323312 its reverse (21332313113311), we get a palindrome (32663444436623).

The spelling of 11331131323312 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred twenty-three thousand, three hundred twelve".