3130705 has 8 divisors (see below), whose sum is σ = 3771432. Its totient is φ = 2494848.

The previous prime is 3130693. The next prime is 3130711. The reversal of 3130705 is 5070313.

It can be written as a sum of positive squares in 4 ways, for example, as 294849 + 2835856 = 543^2 + 1684^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3130705 - 2⁷ = 3130577 is a prime.

It is a Duffinian number.

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, 397 + ... + 2533.

It is an arithmetic number, because the mean of its divisors is an integer number (471429).

Almost surely, 2^3130705 is an apocalyptic number.

It is an amenable number.

3130705 is a deficient number, since it is larger than the sum of its proper divisors (640727).

3130705 is a wasteful number, since it uses less digits than its factorization.

3130705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 3130705 is about 1769.3798348574. The cubic root of 3130705 is about 146.2898009385.

The spelling of 3130705 in words is "three million, one hundred thirty thousand, seven hundred five".