2001310320330 has 192 divisors, whose sum is σ = 5709379074048. Its totient is φ = 484192419840.

The previous prime is 2001310320307. The next prime is 2001310320349. The reversal of 2001310320330 is 330230131002.

2001310320330 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 3 + 10 + 320 + 330 = 666.

It is a super-2 number, since 2×2001310320330² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12107419 + ... + 12271601.

It is an arithmetic number, because the mean of its divisors is an integer number (29736349344).

Almost surely, 2^{2001310320330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001310320330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2854689537024).

2001310320330 is an abundant number, since it is smaller than the sum of its proper divisors (3708068753718).

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

2001310320330 is a wasteful number, since it uses less digits than its factorization.

2001310320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164501 (or 164498 counting only the distinct ones).

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

Adding to 2001310320330 its reverse (330230131002), we get a palindrome (2331540451332).

The spelling of 2001310320330 in words is "two trillion, one billion, three hundred ten million, three hundred twenty thousand, three hundred thirty".