2011531354 has 16 divisors (see below), whose sum is σ = 3458765376. Its totient is φ = 859478400.

The previous prime is 2011531351. The next prime is 2011531363. The reversal of 2011531354 is 4531351102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2011531351) 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 7 ways as a sum of consecutive naturals, for example, 212407 + ... + 221674.

It is an arithmetic number, because the mean of its divisors is an integer number (216172836).

Almost surely, 2^2011531354 is an apocalyptic number.

2011531354 is a deficient number, since it is larger than the sum of its proper divisors (1447234022).

2011531354 is a wasteful number, since it uses less digits than its factorization.

2011531354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434421.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2011531354 is about 44850.0987066918. The cubic root of 2011531354 is about 1262.3378436181.

Adding to 2011531354 its reverse (4531351102), we get a palindrome (6542882456).

The spelling of 2011531354 in words is "two billion, eleven million, five hundred thirty-one thousand, three hundred fifty-four".