3103221220 has 48 divisors (see below), whose sum is σ = 7113206016. Its totient is φ = 1127808000.

The previous prime is 3103221217. The next prime is 3103221223. The reversal of 3103221220 is 221223013.

It is an interprime number because it is at equal distance from previous prime (3103221217) and next prime (3103221223).

It is a junction number, because it is equal to n+sod(n) for n = 3103221194 and 3103221203.

It is not an unprimeable number, because it can be changed into a prime (3103221223) 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, 584980 + ... + 590260.

It is an arithmetic number, because the mean of its divisors is an integer number (148191792).

Almost surely, 2^3103221220 is an apocalyptic number.

It is an amenable number.

3103221220 is an abundant number, since it is smaller than the sum of its proper divisors (4009984796).

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

3103221220 is a wasteful number, since it uses less digits than its factorization.

3103221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7972 (or 7970 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3103221220 is about 55706.5635271105. The cubic root of 3103221220 is about 1458.6045997115.

Adding to 3103221220 its reverse (221223013), we get a palindrome (3324444233).

The spelling of 3103221220 in words is "three billion, one hundred three million, two hundred twenty-one thousand, two hundred twenty".