3112303220 has 48 divisors (see below), whose sum is σ = 7452638928. Its totient is φ = 1081559040.

The previous prime is 3112303163. The next prime is 3112303241. The reversal of 3112303220 is 223032113.

It can be written as a sum of positive squares in 8 ways, for example, as 43586404 + 3068716816 = 6602^2 + 55396^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347651 + ... + 356490.

It is an arithmetic number, because the mean of its divisors is an integer number (155263311).

Almost surely, 2^3112303220 is an apocalyptic number.

It is an amenable number.

3112303220 is an abundant number, since it is smaller than the sum of its proper divisors (4340335708).

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

3112303220 is a wasteful number, since it uses less digits than its factorization.

3112303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704180 (or 704178 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3112303220 is about 55788.0203986483. The cubic root of 3112303220 is about 1460.0261489030.

Adding to 3112303220 its reverse (223032113), we get a palindrome (3335335333).

The spelling of 3112303220 in words is "three billion, one hundred twelve million, three hundred three thousand, two hundred twenty".