3221313315 has 64 divisors (see below), whose sum is σ = 5740775424. Its totient is φ = 1529280000.

The previous prime is 3221313313. The next prime is 3221313331. The reversal of 3221313315 is 5133131223.

It is not a de Polignac number, because 3221313315 - 2¹ = 3221313313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3221313313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2727025 + ... + 2728205.

It is an arithmetic number, because the mean of its divisors is an integer number (89699616).

Almost surely, 2^3221313315 is an apocalyptic number.

3221313315 is a deficient number, since it is larger than the sum of its proper divisors (2519462109).

3221313315 is a wasteful number, since it uses less digits than its factorization.

3221313315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532.

The product of its digits is 1620, while the sum is 24.

The square root of 3221313315 is about 56756.6147246292. The cubic root of 3221313315 is about 1476.8769845902.

Adding to 3221313315 its reverse (5133131223), we get a palindrome (8354444538).

The spelling of 3221313315 in words is "three billion, two hundred twenty-one million, three hundred thirteen thousand, three hundred fifteen".