3102303220 has 24 divisors (see below), whose sum is σ = 6525847944. Its totient is φ = 1238823936.

The previous prime is 3102303203. The next prime is 3102303233. The reversal of 3102303220 is 223032013.

It can be written as a sum of positive squares in 4 ways, for example, as 389351824 + 2712951396 = 19732^2 + 52086^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3102303194 and 3102303203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118929 + ... + 142648.

It is an arithmetic number, because the mean of its divisors is an integer number (271910331).

Almost surely, 2^3102303220 is an apocalyptic number.

It is an amenable number.

3102303220 is an abundant number, since it is smaller than the sum of its proper divisors (3423544724).

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

3102303220 is a wasteful number, since it uses less digits than its factorization.

3102303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262179 (or 262177 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3102303220 is about 55698.3233140819. The cubic root of 3102303220 is about 1458.4607565902.

Adding to 3102303220 its reverse (223032013), we get a palindrome (3325335233).

The spelling of 3102303220 in words is "three billion, one hundred two million, three hundred three thousand, two hundred twenty".