2311201052 has 12 divisors (see below), whose sum is σ = 4184071080. Its totient is φ = 1115752176.

The previous prime is 2311201031. The next prime is 2311201117. The reversal of 2311201052 is 2501021132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2311201052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9961958 + ... + 9962189.

It is an arithmetic number, because the mean of its divisors is an integer number (348672590).

Almost surely, 2^2311201052 is an apocalyptic number.

It is an amenable number.

2311201052 is a deficient number, since it is larger than the sum of its proper divisors (1872870028).

2311201052 is a wasteful number, since it uses less digits than its factorization.

2311201052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19924180 (or 19924178 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2311201052 is about 48074.9524388740. The cubic root of 2311201052 is about 1322.1454725353.

Adding to 2311201052 its reverse (2501021132), we get a palindrome (4812222184).

The spelling of 2311201052 in words is "two billion, three hundred eleven million, two hundred one thousand, fifty-two".