2001231301113 has 80 divisors (see below), whose sum is σ = 3376185753600. Its totient is φ = 1170354549600.

The previous prime is 2001231301079. The next prime is 2001231301127. The reversal of 2001231301113 is 3111031321002.

2001231301113 is a `hidden beast` number, since 20 + 0 + 1 + 231 + 301 + 113 = 666.

It is not a de Polignac number, because 2001231301113 - 2¹² = 2001231297017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001231301213) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9480088 + ... + 9688886.

It is an arithmetic number, because the mean of its divisors is an integer number (42202321920).

Almost surely, 2^{2001231301113} is an apocalyptic number.

It is an amenable number.

2001231301113 is a deficient number, since it is larger than the sum of its proper divisors (1374954452487).

2001231301113 is a wasteful number, since it uses less digits than its factorization.

2001231301113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209200 (or 209191 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2001231301113 its reverse (3111031321002), we get a palindrome (5112262622115).

The spelling of 2001231301113 in words is "two trillion, one billion, two hundred thirty-one million, three hundred one thousand, one hundred thirteen".