2105613316 has 24 divisors (see below), whose sum is σ = 3790750040. Its totient is φ = 1022637312.

The previous prime is 2105613281. The next prime is 2105613329. The reversal of 2105613316 is 6133165012.

It can be written as a sum of positive squares in 4 ways, for example, as 294259716 + 1811353600 = 17154^2 + 42560^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79120 + ... + 102328.

Almost surely, 2^2105613316 is an apocalyptic number.

It is an amenable number.

2105613316 is a deficient number, since it is larger than the sum of its proper divisors (1685136724).

2105613316 is a wasteful number, since it uses less digits than its factorization.

2105613316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23863 (or 23861 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2105613316 is about 45886.9623749492. The cubic root of 2105613316 is about 1281.7191491495.

Adding to 2105613316 its reverse (6133165012), we get a palindrome (8238778328).

The spelling of 2105613316 in words is "two billion, one hundred five million, six hundred thirteen thousand, three hundred sixteen".