2001131342 has 8 divisors (see below), whose sum is σ = 3430510896. Its totient is φ = 857627712.

The previous prime is 2001131339. The next prime is 2001131359. The reversal of 2001131342 is 2431311002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2001131342.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 71468963 + ... + 71468990.

It is an arithmetic number, because the mean of its divisors is an integer number (428813862).

Almost surely, 2^2001131342 is an apocalyptic number.

2001131342 is a deficient number, since it is larger than the sum of its proper divisors (1429379554).

2001131342 is a wasteful number, since it uses less digits than its factorization.

2001131342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142937962.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2001131342 is about 44734.0065498274. The cubic root of 2001131342 is about 1260.1585720474.

Adding to 2001131342 its reverse (2431311002), we get a palindrome (4432442344).

The spelling of 2001131342 in words is "two billion, one million, one hundred thirty-one thousand, three hundred forty-two".