2011031130 has 64 divisors (see below), whose sum is σ = 4915975680. Its totient is φ = 526388544.

The previous prime is 2011031123. The next prime is 2011031131. The reversal of 2011031130 is 311301102.

It is not an unprimeable number, because it can be changed into a prime (2011031131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615441 + ... + 618699.

It is an arithmetic number, because the mean of its divisors is an integer number (76812120).

Almost surely, 2^2011031130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011031130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2457987840).

2011031130 is an abundant number, since it is smaller than the sum of its proper divisors (2904944550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011031130 is a wasteful number, since it uses less digits than its factorization.

2011031130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 2011031130 is about 44844.5217390040. The cubic root of 2011031130 is about 1262.2331963081.

Adding to 2011031130 its reverse (311301102), we get a palindrome (2322332232).

The spelling of 2011031130 in words is "two billion, eleven million, thirty-one thousand, one hundred thirty".