2163001312 has 24 divisors (see below), whose sum is σ = 4286619792. Its totient is φ = 1074336000.

The previous prime is 2163001303. The next prime is 2163001319. The reversal of 2163001312 is 2131003612.

It is a self number, because there is not a number n which added to its sum of digits gives 2163001312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163001319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218989 + ... + 228652.

It is an arithmetic number, because the mean of its divisors is an integer number (178609158).

Almost surely, 2^2163001312 is an apocalyptic number.

It is an amenable number.

2163001312 is a deficient number, since it is larger than the sum of its proper divisors (2123618480).

2163001312 is a wasteful number, since it uses less digits than its factorization.

2163001312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447802 (or 447794 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2163001312 is about 46508.0779220126. The cubic root of 2163001312 is about 1293.2592527330.

Adding to 2163001312 its reverse (2131003612), we get a palindrome (4294004924).

The spelling of 2163001312 in words is "two billion, one hundred sixty-three million, one thousand, three hundred twelve".