2311131011 has 48 divisors (see below), whose sum is σ = 3013977600. Its totient is φ = 1757226240.

The previous prime is 2311131001. The next prime is 2311131023. The reversal of 2311131011 is 1101311132.

It is a happy number.

It is not a de Polignac number, because 2311131011 - 2⁶ = 2311130947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2311131001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1359440 + ... + 1361138.

It is an arithmetic number, because the mean of its divisors is an integer number (62791200).

Almost surely, 2^2311131011 is an apocalyptic number.

2311131011 is a deficient number, since it is larger than the sum of its proper divisors (702846589).

2311131011 is a wasteful number, since it uses less digits than its factorization.

2311131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824 (or 1817 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 2311131011 is about 48074.2239770961. The cubic root of 2311131011 is about 1322.1321165176.

Adding to 2311131011 its reverse (1101311132), we get a palindrome (3412442143).

The spelling of 2311131011 in words is "two billion, three hundred eleven million, one hundred thirty-one thousand, eleven".