2001231013330 has 32 divisors (see below), whose sum is σ = 3792230357760. Its totient is φ = 758276380800.

The previous prime is 2001231013321. The next prime is 2001231013337. The reversal of 2001231013330 is 333101321002.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 2001231013298 and 2001231013307.

It is not an unprimeable number, because it can be changed into a prime (2001231013337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126630 + ... + 2296030.

It is an arithmetic number, because the mean of its divisors is an integer number (118507198680).

Almost surely, 2^{2001231013330} is an apocalyptic number.

2001231013330 is a deficient number, since it is larger than the sum of its proper divisors (1790999344430).

2001231013330 is a wasteful number, since it uses less digits than its factorization.

2001231013330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178434.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 2001231013330 its reverse (333101321002), we get a palindrome (2334332334332).

The spelling of 2001231013330 in words is "two trillion, one billion, two hundred thirty-one million, thirteen thousand, three hundred thirty".