2012011310331 has 24 divisors (see below), whose sum is σ = 3256129694064. Its totient is φ = 1186444013760.

The previous prime is 2012011310213. The next prime is 2012011310341. The reversal of 2012011310331 is 1330131102102.

2012011310331 is a `hidden beast` number, since 2 + 0 + 1 + 20 + 1 + 1 + 310 + 331 = 666.

It is not a de Polignac number, because 2012011310331 - 2¹¹ = 2012011308283 is a prime.

It is a super-2 number, since 2×2012011310331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012011310341) 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 23 ways as a sum of consecutive naturals, for example, 274636156 + ... + 274643481.

It is an arithmetic number, because the mean of its divisors is an integer number (135672070586).

Almost surely, 2^{2012011310331} is an apocalyptic number.

2012011310331 is a deficient number, since it is larger than the sum of its proper divisors (1244118383733).

2012011310331 is a wasteful number, since it uses less digits than its factorization.

2012011310331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549279691 (or 549279688 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2012011310331 its reverse (1330131102102), we get a palindrome (3342142412433).

The spelling of 2012011310331 in words is "two trillion, twelve billion, eleven million, three hundred ten thousand, three hundred thirty-one".