2311000000 has 98 divisors (see below), whose sum is σ = 5734770344. Its totient is φ = 924000000.

The previous prime is 2310999967. The next prime is 2311000007. The reversal of 2311000000 is 1132.

2311000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311000007) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 998845 + ... + 1001155.

Almost surely, 2^2311000000 is an apocalyptic number.

2311000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2867385172).

2311000000 is an abundant number, since it is smaller than the sum of its proper divisors (3423770344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311000000 is an frugal number, since it uses more digits than its factorization.

2311000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 2311000000 is about 48072.8613668877. The cubic root of 2311000000 is about 1322.1071334937.

Adding to 2311000000 its reverse (1132), we get a palindrome (2311001132).

The spelling of 2311000000 in words is "two billion, three hundred eleven million", and thus it is an aban number.