3216560313 has 16 divisors (see below), whose sum is σ = 4303040256. Its totient is φ = 2137241040.

The previous prime is 3216560309. The next prime is 3216560329. The reversal of 3216560313 is 3130656123.

It is a happy number.

It is not a de Polignac number, because 3216560313 - 2² = 3216560309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3216560213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1598478 + ... + 1600488.

It is an arithmetic number, because the mean of its divisors is an integer number (268940016).

Almost surely, 2^3216560313 is an apocalyptic number.

It is an amenable number.

3216560313 is a deficient number, since it is larger than the sum of its proper divisors (1086479943).

3216560313 is a wasteful number, since it uses less digits than its factorization.

3216560313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3216560313 is about 56714.7274788480. The cubic root of 3216560313 is about 1476.1502567159.

The spelling of 3216560313 in words is "three billion, two hundred sixteen million, five hundred sixty thousand, three hundred thirteen".