3081630565 has 16 divisors (see below), whose sum is σ = 3991092336. Its totient is φ = 2270707200.

The previous prime is 3081630553. The next prime is 3081630589. The reversal of 3081630565 is 5650361803.

It can be written as a sum of positive squares in 8 ways, for example, as 2934369 + 3078696196 = 1713^2 + 55486^2 .

It is not a de Polignac number, because 3081630565 - 2⁷ = 3081630437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21456 + ... + 81385.

It is an arithmetic number, because the mean of its divisors is an integer number (249443271).

Almost surely, 2^3081630565 is an apocalyptic number.

It is an amenable number.

3081630565 is a deficient number, since it is larger than the sum of its proper divisors (909461771).

3081630565 is a wasteful number, since it uses less digits than its factorization.

3081630565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103320.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 3081630565 is about 55512.4361292134. The cubic root of 3081630565 is about 1455.2139779694.

The spelling of 3081630565 in words is "three billion, eighty-one million, six hundred thirty thousand, five hundred sixty-five".