2311000002 has 12 divisors (see below), whose sum is σ = 5007166710. Its totient is φ = 770333328.

The previous prime is 2310999967. The next prime is 2311000007. The reversal of 2311000002 is 2000001132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2220388641 + 90611361 = 47121^2 + 9519^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64194427 + ... + 64194462.

Almost surely, 2^2311000002 is an apocalyptic number.

2311000002 is an abundant number, since it is smaller than the sum of its proper divisors (2696166708).

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

2311000002 is a wasteful number, since it uses less digits than its factorization.

2311000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128388897 (or 128388894 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2311000002 is about 48072.8613876894. The cubic root of 2311000002 is about 1322.1071338751.

Adding to 2311000002 its reverse (2000001132), we get a palindrome (4311001134).

The spelling of 2311000002 in words is "two billion, three hundred eleven million, two", and thus it is an aban number.