12031030003331 has 16 divisors (see below), whose sum is σ = 12652387146240. Its totient is φ = 11426576364000.

The previous prime is 12031030003319. The next prime is 12031030003337. The reversal of 12031030003331 is 13330003013021.

It is a cyclic number.

It is not a de Polignac number, because 12031030003331 - 2¹⁸ = 12031029741187 is a prime.

It is a super-2 number, since 2×12031030003331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031030003337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8468045 + ... + 9786206.

It is an arithmetic number, because the mean of its divisors is an integer number (790774196640).

Almost surely, 2^{12031030003331} is an apocalyptic number.

12031030003331 is a deficient number, since it is larger than the sum of its proper divisors (621357142909).

12031030003331 is a wasteful number, since it uses less digits than its factorization.

12031030003331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18254714.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 12031030003331 its reverse (13330003013021), we get a palindrome (25361033016352).

The spelling of 12031030003331 in words is "twelve trillion, thirty-one billion, thirty million, three thousand, three hundred thirty-one".