2001331134 has 48 divisors (see below), whose sum is σ = 4735177200. Its totient is φ = 605854080.

The previous prime is 2001331133. The next prime is 2001331141. The reversal of 2001331134 is 4311331002.

2001331134 is a `hidden beast` number, since 200 + 1 + 331 + 134 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001331133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216642 + ... + 225690.

It is an arithmetic number, because the mean of its divisors is an integer number (98649525).

Almost surely, 2^2001331134 is an apocalyptic number.

2001331134 is an abundant number, since it is smaller than the sum of its proper divisors (2733846066).

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

2001331134 is a wasteful number, since it uses less digits than its factorization.

2001331134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10185 (or 10182 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2001331134 is about 44736.2396050450. The cubic root of 2001331134 is about 1260.2005085290.

Adding to 2001331134 its reverse (4311331002), we get a palindrome (6312662136).

The spelling of 2001331134 in words is "two billion, one million, three hundred thirty-one thousand, one hundred thirty-four".