3230311220 has 24 divisors (see below), whose sum is σ = 7140688800. Its totient is φ = 1224117792.

The previous prime is 3230311213. The next prime is 3230311223. The reversal of 3230311220 is 221130323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230311223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4250030 + ... + 4250789.

It is an arithmetic number, because the mean of its divisors is an integer number (297528700).

Almost surely, 2^3230311220 is an apocalyptic number.

It is an amenable number.

3230311220 is an abundant number, since it is smaller than the sum of its proper divisors (3910377580).

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

3230311220 is a wasteful number, since it uses less digits than its factorization.

3230311220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500847 (or 8500845 counting only the distinct ones).

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

The square root of 3230311220 is about 56835.8269052189. The cubic root of 3230311220 is about 1478.2507974558.

Adding to 3230311220 its reverse (221130323), we get a palindrome (3451441543).

The spelling of 3230311220 in words is "three billion, two hundred thirty million, three hundred eleven thousand, two hundred twenty".