3231563720 has 192 divisors, whose sum is σ = 9478762560. Its totient is φ = 979776000.

The previous prime is 3231563701. The next prime is 3231563729. The reversal of 3231563720 is 273651323.

It is not an unprimeable number, because it can be changed into a prime (3231563729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 795695 + ... + 799745.

It is an arithmetic number, because the mean of its divisors is an integer number (49368555).

Almost surely, 2^3231563720 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 3231563720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4739381280).

3231563720 is an abundant number, since it is smaller than the sum of its proper divisors (6247198840).

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

3231563720 is a wasteful number, since it uses less digits than its factorization.

3231563720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124 (or 4113 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 3231563720 is about 56846.8444154994. The cubic root of 3231563720 is about 1478.4418285724.

The spelling of 3231563720 in words is "three billion, two hundred thirty-one million, five hundred sixty-three thousand, seven hundred twenty".