3321313212 has 48 divisors (see below), whose sum is σ = 8893946880. Its totient is φ = 944970432.

The previous prime is 3321313207. The next prime is 3321313217. The reversal of 3321313212 is 2123131233.

It is an interprime number because it is at equal distance from previous prime (3321313207) and next prime (3321313217).

It is a super-2 number, since 2×3321313212² = 22062242904411513888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321313217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62643 + ... + 102794.

It is an arithmetic number, because the mean of its divisors is an integer number (185290560).

Almost surely, 2^3321313212 is an apocalyptic number.

It is an amenable number.

3321313212 is an abundant number, since it is smaller than the sum of its proper divisors (5572633668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3321313212 is a wasteful number, since it uses less digits than its factorization.

3321313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165690 (or 165688 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 3321313212 is about 57630.8356003971. The cubic root of 3321313212 is about 1492.0038519308.

Adding to 3321313212 its reverse (2123131233), we get a palindrome (5444444445).

The spelling of 3321313212 in words is "three billion, three hundred twenty-one million, three hundred thirteen thousand, two hundred twelve".