2011331240323 has 16 divisors (see below), whose sum is σ = 2058294712320. Its totient is φ = 1964545284096.

The previous prime is 2011331240311. The next prime is 2011331240329. The reversal of 2011331240323 is 3230421331102.

It is a cyclic number.

It is not a de Polignac number, because 2011331240323 - 2¹⁷ = 2011331109251 is a prime.

It is a super-2 number, since 2×2011331240323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011331240329) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 51411936 + ... + 51451042.

It is an arithmetic number, because the mean of its divisors is an integer number (128643419520).

Almost surely, 2^{2011331240323} is an apocalyptic number.

2011331240323 is a deficient number, since it is larger than the sum of its proper divisors (46963471997).

2011331240323 is a wasteful number, since it uses less digits than its factorization.

2011331240323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41346.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2011331240323 its reverse (3230421331102), we get a palindrome (5241752571425).

The spelling of 2011331240323 in words is "two trillion, eleven billion, three hundred thirty-one million, two hundred forty thousand, three hundred twenty-three".