2001332131 has 8 divisors (see below), whose sum is σ = 2070835200. Its totient is φ = 1932138120.

The previous prime is 2001332119. The next prime is 2001332159. The reversal of 2001332131 is 1312331002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001332131 - 2²⁵ = 1967777699 is a prime.

It is a super-2 number, since 2×2001332131² = 8010660597146002322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001332171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64051 + ... + 90028.

It is an arithmetic number, because the mean of its divisors is an integer number (258854400).

Almost surely, 2^2001332131 is an apocalyptic number.

2001332131 is a deficient number, since it is larger than the sum of its proper divisors (69503069).

2001332131 is a wasteful number, since it uses less digits than its factorization.

2001332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154529.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2001332131 is about 44736.2507481349. The cubic root of 2001332131 is about 1260.2007177930.

Adding to 2001332131 its reverse (1312331002), we get a palindrome (3313663133).

It can be divided in two parts, 200 and 1332131, that added together give a palindrome (1332331).

The spelling of 2001332131 in words is "two billion, one million, three hundred thirty-two thousand, one hundred thirty-one".