2011023331 has 8 divisors (see below), whose sum is σ = 2098976544. Its totient is φ = 1923113280.

The previous prime is 2011023323. The next prime is 2011023359. The reversal of 2011023331 is 1333201102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011023331 - 2³ = 2011023323 is a prime.

It is a super-3 number, since 3×2011023331³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011023031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116521 + ... + 132661.

It is an arithmetic number, because the mean of its divisors is an integer number (262372068).

Almost surely, 2^2011023331 is an apocalyptic number.

2011023331 is a deficient number, since it is larger than the sum of its proper divisors (87953213).

2011023331 is a wasteful number, since it uses less digits than its factorization.

2011023331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21581.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2011023331 is about 44844.4347829248. The cubic root of 2011023331 is about 1262.2315646129.

Adding to 2011023331 its reverse (1333201102), we get a palindrome (3344224433).

The spelling of 2011023331 in words is "two billion, eleven million, twenty-three thousand, three hundred thirty-one".