3313311220 has 48 divisors (see below), whose sum is σ = 7381272528. Its totient is φ = 1244989440.

The previous prime is 3313311191. The next prime is 3313311233. The reversal of 3313311220 is 221133133.

It can be written as a sum of positive squares in 8 ways, for example, as 258759396 + 3054551824 = 16086^2 + 55268^2 .

It is a congruent number.

It is an unprimeable number.

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, 174934 + ... + 192946.

It is an arithmetic number, because the mean of its divisors is an integer number (153776511).

Almost surely, 2^3313311220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3313311220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3690636264).

3313311220 is an abundant number, since it is smaller than the sum of its proper divisors (4067961308).

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

3313311220 is a wasteful number, since it uses less digits than its factorization.

3313311220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18580 (or 18578 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3313311220 is about 57561.3691637021. The cubic root of 3313311220 is about 1490.8046672374.

Adding to 3313311220 its reverse (221133133), we get a palindrome (3534444353).

The spelling of 3313311220 in words is "three billion, three hundred thirteen million, three hundred eleven thousand, two hundred twenty".