3231330320 has 40 divisors (see below), whose sum is σ = 7517833560. Its totient is φ = 1291673600.

The previous prime is 3231330313. The next prime is 3231330367. The reversal of 3231330320 is 230331323.

It can be written as a sum of positive squares in 4 ways, for example, as 530657296 + 2700673024 = 23036^2 + 51968^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3231330292 and 3231330301.

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, 115466 + ... + 140694.

It is an arithmetic number, because the mean of its divisors is an integer number (187945839).

Almost surely, 2^3231330320 is an apocalyptic number.

It is an amenable number.

3231330320 is an abundant number, since it is smaller than the sum of its proper divisors (4286503240).

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

3231330320 is a wasteful number, since it uses less digits than its factorization.

3231330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26843 (or 26837 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 3231330320 is about 56844.7914940322. The cubic root of 3231330320 is about 1478.4062341811.

Adding to 3231330320 its reverse (230331323), we get a palindrome (3461661643).

The spelling of 3231330320 in words is "three billion, two hundred thirty-one million, three hundred thirty thousand, three hundred twenty".