3113197565 has 8 divisors (see below), whose sum is σ = 3740529240. Its totient is φ = 2487429952.

The previous prime is 3113197559. The next prime is 3113197567. The reversal of 3113197565 is 5657913113.

It can be written as a sum of positive squares in 4 ways, for example, as 941078329 + 2172119236 = 30677^2 + 46606^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3113197565 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113197567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386630 + ... + 394599.

It is an arithmetic number, because the mean of its divisors is an integer number (467566155).

Almost surely, 2^3113197565 is an apocalyptic number.

It is an amenable number.

3113197565 is a deficient number, since it is larger than the sum of its proper divisors (627331675).

3113197565 is an equidigital number, since it uses as much as digits as its factorization.

3113197565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782031.

The product of its digits is 85050, while the sum is 41.

The square root of 3113197565 is about 55796.0353878302. The cubic root of 3113197565 is about 1460.1659855384.

The spelling of 3113197565 in words is "three billion, one hundred thirteen million, one hundred ninety-seven thousand, five hundred sixty-five".