2051315316 has 36 divisors (see below), whose sum is σ = 5458180000. Its totient is φ = 647783568.

The previous prime is 2051315309. The next prime is 2051315341. The reversal of 2051315316 is 6135131502.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2051315316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1498816 + ... + 1500183.

Almost surely, 2^2051315316 is an apocalyptic number.

It is an amenable number.

2051315316 is an abundant number, since it is smaller than the sum of its proper divisors (3406864684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051315316 is a wasteful number, since it uses less digits than its factorization.

2051315316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999028 (or 2999023 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 2051315316 is about 45291.4485968378. The cubic root of 2051315316 is about 1270.6057242403.

Adding to 2051315316 its reverse (6135131502), we get a palindrome (8186446818).

The spelling of 2051315316 in words is "two billion, fifty-one million, three hundred fifteen thousand, three hundred sixteen".