2113201312 has 24 divisors (see below), whose sum is σ = 4198540500. Its totient is φ = 1046905344.

The previous prime is 2113201283. The next prime is 2113201327. The reversal of 2113201312 is 2131023112.

It can be written as a sum of positive squares in 2 ways, for example, as 2087027856 + 26173456 = 45684^2 + 5116^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 299437 + ... + 306412.

Almost surely, 2^2113201312 is an apocalyptic number.

It is an amenable number.

2113201312 is a deficient number, since it is larger than the sum of its proper divisors (2085339188).

2113201312 is a wasteful number, since it uses less digits than its factorization.

2113201312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605968 (or 605960 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2113201312 is about 45969.5694128192. The cubic root of 2113201312 is about 1283.2569465900.

Adding to 2113201312 its reverse (2131023112), we get a palindrome (4244224424).

The spelling of 2113201312 in words is "two billion, one hundred thirteen million, two hundred one thousand, three hundred twelve".