9331200000 has 546 divisors, whose sum is σ = 34969492278. Its totient is φ = 2488320000.

The previous prime is 9331199939. The next prime is 9331200001. The reversal of 9331200000 is 21339.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 4311760896 + 5019439104 = 65664^2 + 70848^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9331200001) by changing a digit.

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 41 ways as a sum of consecutive naturals, for example, 1866239998 + ... + 1866240002.

Almost surely, 2^9331200000 is an apocalyptic number.

9331200000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9331200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17484746139).

9331200000 is an abundant number, since it is smaller than the sum of its proper divisors (25638292278).

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

9331200000 is an frugal number, since it uses more digits than its factorization.

9331200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 9331200000 is about 96598.1366279909. The cubic root of 9331200000 is about 2105.2927715133.

Adding to 9331200000 its reverse (21339), we get a palindrome (9331221339).

The spelling of 9331200000 in words is "nine billion, three hundred thirty-one million, two hundred thousand".