2011330231 has 16 divisors (see below), whose sum is σ = 2175678144. Its totient is φ = 1852291584.

The previous prime is 2011330229. The next prime is 2011330241. The reversal of 2011330231 is 1320331102.

It is a cyclic number.

It is not a de Polignac number, because 2011330231 - 2¹ = 2011330229 is a prime.

It is a super-2 number, since 2×2011330231² = 8090898596269026722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011330241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354886 + ... + 360508.

It is an arithmetic number, because the mean of its divisors is an integer number (135979884).

Almost surely, 2^2011330231 is an apocalyptic number.

2011330231 is a deficient number, since it is larger than the sum of its proper divisors (164347913).

2011330231 is a wasteful number, since it uses less digits than its factorization.

2011330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090.

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

The square root of 2011330231 is about 44847.8564816648. The cubic root of 2011330231 is about 1262.2957705915.

Adding to 2011330231 its reverse (1320331102), we get a palindrome (3331661333).

The spelling of 2011330231 in words is "two billion, eleven million, three hundred thirty thousand, two hundred thirty-one".