2001000323130 has 128 divisors (see below), whose sum is σ = 4970947968000. Its totient is φ = 515170713600.

The previous prime is 2001000323123. The next prime is 2001000323141. The reversal of 2001000323130 is 313230001002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon 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, 49646026 + ... + 49686314.

It is an arithmetic number, because the mean of its divisors is an integer number (38835531000).

Almost surely, 2^{2001000323130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001000323130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2485473984000).

2001000323130 is an abundant number, since it is smaller than the sum of its proper divisors (2969947644870).

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

2001000323130 is a wasteful number, since it uses less digits than its factorization.

2001000323130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40760.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 2001000323130 its reverse (313230001002), we get a palindrome (2314230324132).

The spelling of 2001000323130 in words is "two trillion, one billion, three hundred twenty-three thousand, one hundred thirty".