2011434321 has 16 divisors (see below), whose sum is σ = 2889048960. Its totient is φ = 1237447680.

The previous prime is 2011434281. The next prime is 2011434377. The reversal of 2011434321 is 1234341102.

It is not a de Polignac number, because 2011434321 - 2⁷ = 2011434193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011430321) 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, 207460 + ... + 216938.

It is an arithmetic number, because the mean of its divisors is an integer number (180565560).

Almost surely, 2^2011434321 is an apocalyptic number.

It is an amenable number.

2011434321 is a deficient number, since it is larger than the sum of its proper divisors (877614639).

2011434321 is a wasteful number, since it uses less digits than its factorization.

2011434321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14936.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2011434321 is about 44849.0169457481. The cubic root of 2011434321 is about 1262.3175455837.

Adding to 2011434321 its reverse (1234341102), we get a palindrome (3245775423).

The spelling of 2011434321 in words is "two billion, eleven million, four hundred thirty-four thousand, three hundred twenty-one".