2105243312 has 10 divisors (see below), whose sum is σ = 4078908948. Its totient is φ = 1052621648.

The previous prime is 2105243299. The next prime is 2105243323. The reversal of 2105243312 is 2133425012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65788838 + ... + 65788869.

Almost surely, 2^2105243312 is an apocalyptic number.

It is an amenable number.

2105243312 is a deficient number, since it is larger than the sum of its proper divisors (1973665636).

2105243312 is a wasteful number, since it uses less digits than its factorization.

2105243312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131577715 (or 131577709 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2105243312 is about 45882.9305079787. The cubic root of 2105243312 is about 1281.6440690467.

Adding to 2105243312 its reverse (2133425012), we get a palindrome (4238668324).

The spelling of 2105243312 in words is "two billion, one hundred five million, two hundred forty-three thousand, three hundred twelve".