3221012313 has 24 divisors (see below), whose sum is σ = 4805505536. Its totient is φ = 2076840000.

The previous prime is 3221012303. The next prime is 3221012317. The reversal of 3221012313 is 3132101223.

It is not a de Polignac number, because 3221012313 - 2¹³ = 3221004121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221012317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 835356 + ... + 839202.

Almost surely, 2^3221012313 is an apocalyptic number.

It is an amenable number.

3221012313 is a deficient number, since it is larger than the sum of its proper divisors (1584493223).

3221012313 is a wasteful number, since it uses less digits than its factorization.

3221012313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885 (or 6882 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3221012313 is about 56753.9629717608. The cubic root of 3221012313 is about 1476.8309829827.

Adding to 3221012313 its reverse (3132101223), we get a palindrome (6353113536).

The spelling of 3221012313 in words is "three billion, two hundred twenty-one million, twelve thousand, three hundred thirteen".