11331313031312 has 20 divisors (see below), whose sum is σ = 21961010040816. Its totient is φ = 5663955601440.

The previous prime is 11331313031309. The next prime is 11331313031321. The reversal of 11331313031312 is 21313031313311.

It is a super-2 number, since 2×11331313031312² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106252178 + ... + 106358769.

Almost surely, 2^{11331313031312} is an apocalyptic number.

It is an amenable number.

11331313031312 is a deficient number, since it is larger than the sum of its proper divisors (10629697009504).

11331313031312 is a wasteful number, since it uses less digits than its factorization.

11331313031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212614286 (or 212614280 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 11331313031312 its reverse (21313031313311), we get a palindrome (32644344344623).

The spelling of 11331313031312 in words is "eleven trillion, three hundred thirty-one billion, three hundred thirteen million, thirty-one thousand, three hundred twelve".