2011323330331 has 12 divisors (see below), whose sum is σ = 2426004558192. Its totient is φ = 1633255033104.

The previous prime is 2011323330329. The next prime is 2011323330337. The reversal of 2011323330331 is 1330333231102.

It is not a de Polignac number, because 2011323330331 - 2¹ = 2011323330329 is a prime.

It is a super-2 number, since 2×2011323330331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011323330296 and 2011323330305.

It is not an unprimeable number, because it can be changed into a prime (2011323330337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397964100 + ... + 397969153.

It is an arithmetic number, because the mean of its divisors is an integer number (202167046516).

Almost surely, 2^{2011323330331} is an apocalyptic number.

2011323330331 is a deficient number, since it is larger than the sum of its proper divisors (414681227861).

2011323330331 is an equidigital number, since it uses as much as digits as its factorization.

2011323330331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795933298 (or 795933279 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 2011323330331 its reverse (1330333231102), we get a palindrome (3341656561433).

The spelling of 2011323330331 in words is "two trillion, eleven billion, three hundred twenty-three million, three hundred thirty thousand, three hundred thirty-one".