2331813000 has 256 divisors, whose sum is σ = 8356608000. Its totient is φ = 535392000.

The previous prime is 2331812999. The next prime is 2331813017. The reversal of 2331813000 is 3181332.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 625141 + ... + 628859.

It is an arithmetic number, because the mean of its divisors is an integer number (32643000).

Almost surely, 2^2331813000 is an apocalyptic number.

2331813000 is a gapful number since it is divisible by the number (20) 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 2331813000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4178304000).

2331813000 is an abundant number, since it is smaller than the sum of its proper divisors (6024795000).

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

2331813000 is a wasteful number, since it uses less digits than its factorization.

2331813000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773 (or 3759 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2331813000 is about 48288.8496446126. The cubic root of 2331813000 is about 1326.0642689332.

Adding to 2331813000 its reverse (3181332), we get a palindrome (2334994332).

The spelling of 2331813000 in words is "two billion, three hundred thirty-one million, eight hundred thirteen thousand".