2011351331 has 16 divisors (see below), whose sum is σ = 2272478208. Its totient is φ = 1763661600.

The previous prime is 2011351301. The next prime is 2011351351. The reversal of 2011351331 is 1331531102.

It is a cyclic number.

It is not a de Polignac number, because 2011351331 - 2¹⁴ = 2011334947 is a prime.

It is a super-2 number, since 2×2011351331² = 8091068353430943122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2011351301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95081 + ... + 114293.

It is an arithmetic number, because the mean of its divisors is an integer number (142029888).

Almost surely, 2^2011351331 is an apocalyptic number.

2011351331 is a deficient number, since it is larger than the sum of its proper divisors (261126877).

2011351331 is a wasteful number, since it uses less digits than its factorization.

2011351331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19562.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 2011351331 is about 44848.0917208302. The cubic root of 2011351331 is about 1262.3001846434.

Adding to 2011351331 its reverse (1331531102), we get a palindrome (3342882433).

The spelling of 2011351331 in words is "two billion, eleven million, three hundred fifty-one thousand, three hundred thirty-one".