3231223020 has 36 divisors (see below), whose sum is σ = 9801377040. Its totient is φ = 861659424.

The previous prime is 3231223001. The next prime is 3231223033. The reversal of 3231223020 is 203221323.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 3231222984 and 3231223002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8975440 + ... + 8975799.

Almost surely, 2^3231223020 is an apocalyptic number.

3231223020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3231223020 is an abundant number, since it is smaller than the sum of its proper divisors (6570154020).

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

3231223020 is a wasteful number, since it uses less digits than its factorization.

3231223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17951254 (or 17951249 counting only the distinct ones).

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

The square root of 3231223020 is about 56843.8476882063. The cubic root of 3231223020 is about 1478.3898699463.

Adding to 3231223020 its reverse (203221323), we get a palindrome (3434444343).

The spelling of 3231223020 in words is "three billion, two hundred thirty-one million, two hundred twenty-three thousand, twenty".