3231372320 has 96 divisors (see below), whose sum is σ = 8347691520. Its totient is φ = 1172285440.

The previous prime is 3231372311. The next prime is 3231372343. The reversal of 3231372320 is 232731323.

It is a self number, because there is not a number n which added to its sum of digits gives 3231372320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841124 + ... + 844956.

It is an arithmetic number, because the mean of its divisors is an integer number (86955120).

Almost surely, 2^3231372320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3231372320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4173845760).

3231372320 is an abundant number, since it is smaller than the sum of its proper divisors (5116319200).

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

3231372320 is a wasteful number, since it uses less digits than its factorization.

3231372320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338 (or 4330 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 3231372320 is about 56845.1609198180. The cubic root of 3231372320 is about 1478.4126394680.

The spelling of 3231372320 in words is "three billion, two hundred thirty-one million, three hundred seventy-two thousand, three hundred twenty".