3220031304 has 48 divisors (see below), whose sum is σ = 9966765120. Its totient is φ = 920008800.

The previous prime is 3220031267. The next prime is 3220031317. The reversal of 3220031304 is 4031300223.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3193972 + ... + 3194979.

It is an arithmetic number, because the mean of its divisors is an integer number (207640940).

Almost surely, 2^3220031304 is an apocalyptic number.

It is an amenable number.

3220031304 is an abundant number, since it is smaller than the sum of its proper divisors (6746733816).

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

3220031304 is a wasteful number, since it uses less digits than its factorization.

3220031304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388970 (or 6388963 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3220031304 is about 56745.3196660306. The cubic root of 3220031304 is about 1476.6810372044.

Adding to 3220031304 its reverse (4031300223), we get a palindrome (7251331527).

It can be divided in two parts, 32200 and 31304, that added together give a square (63504 = 252²).

The spelling of 3220031304 in words is "three billion, two hundred twenty million, thirty-one thousand, three hundred four".