2011430311 has 6 divisors (see below), whose sum is σ = 2210911136. Its totient is φ = 1828572900.

The previous prime is 2011430273. The next prime is 2011430321. The reversal of 2011430311 is 1130341102.

It is not a de Polignac number, because 2011430311 - 2²⁷ = 1877212583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011430321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8311575 + ... + 8311816.

Almost surely, 2^2011430311 is an apocalyptic number.

2011430311 is a deficient number, since it is larger than the sum of its proper divisors (199480825).

2011430311 is a wasteful number, since it uses less digits than its factorization.

2011430311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16623413 (or 16623402 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2011430311 is about 44848.9722401751. The cubic root of 2011430311 is about 1262.3167067301.

Adding to 2011430311 its reverse (1130341102), we get a palindrome (3141771413).

The spelling of 2011430311 in words is "two billion, eleven million, four hundred thirty thousand, three hundred eleven".