2001313002330 has 80 divisors (see below), whose sum is σ = 5384340478440. Its totient is φ = 533382755328.

The previous prime is 2001313002329. The next prime is 2001313002347. The reversal of 2001313002330 is 332003131002.

2001313002330 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 31 + 300 + 2 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1323353437641 + 677959564689 = 1150371^2 + 823383^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 744166 + ... + 2134574.

Almost surely, 2^{2001313002330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001313002330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2692170239220).

2001313002330 is an abundant number, since it is smaller than the sum of its proper divisors (3383027476110).

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

2001313002330 is a wasteful number, since it uses less digits than its factorization.

2001313002330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392205 (or 1392196 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 2001313002330 its reverse (332003131002), we get a palindrome (2333316133332).

The spelling of 2001313002330 in words is "two trillion, one billion, three hundred thirteen million, two thousand, three hundred thirty".