2011431011 has 2 divisors, whose sum is σ = 2011431012. Its totient is φ = 2011431010.

The previous prime is 2011430987. The next prime is 2011431017. The reversal of 2011431011 is 1101341102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011431011 - 2⁶ = 2011430947 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011431017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005715505 + 1005715506.

It is an arithmetic number, because the mean of its divisors is an integer number (1005715506).

Almost surely, 2^2011431011 is an apocalyptic number.

2011431011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011431011 is an equidigital number, since it uses as much as digits as its factorization.

2011431011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2011431011 is about 44848.9800441437. The cubic root of 2011431011 is about 1262.3168531635.

Adding to 2011431011 its reverse (1101341102), we get a palindrome (3112772113).

The spelling of 2011431011 in words is "two billion, eleven million, four hundred thirty-one thousand, eleven".