2011130331 has 16 divisors (see below), whose sum is σ = 3085152000. Its totient is φ = 1141502688.

The previous prime is 2011130323. The next prime is 2011130347. The reversal of 2011130331 is 1330311102.

It is not a de Polignac number, because 2011130331 - 2³ = 2011130323 is a prime.

It is a super-2 number, since 2×2011130331² = 8089290416536339122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2011130331.

It is not an unprimeable number, because it can be changed into a prime (2011130371) 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 15 ways as a sum of consecutive naturals, for example, 318241 + ... + 324498.

It is an arithmetic number, because the mean of its divisors is an integer number (192822000).

Almost surely, 2^2011130331 is an apocalyptic number.

2011130331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2011130331 is a deficient number, since it is larger than the sum of its proper divisors (1074021669).

2011130331 is a wasteful number, since it uses less digits than its factorization.

2011130331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642898.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 2011130331 is about 44845.6277801973. The cubic root of 2011130331 is about 1262.2539506257.

Adding to 2011130331 its reverse (1330311102), we get a palindrome (3341441433).

The spelling of 2011130331 in words is "two billion, eleven million, one hundred thirty thousand, three hundred thirty-one".