2001351142 has 16 divisors (see below), whose sum is σ = 3466260000. Its totient is φ = 848878848.

The previous prime is 2001351139. The next prime is 2001351151. The reversal of 2001351142 is 2411531002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735517 + ... + 738232.

It is an arithmetic number, because the mean of its divisors is an integer number (216641250).

Almost surely, 2^2001351142 is an apocalyptic number.

2001351142 is a deficient number, since it is larger than the sum of its proper divisors (1464908858).

2001351142 is a wasteful number, since it uses less digits than its factorization.

2001351142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473855.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2001351142 is about 44736.4632263213. The cubic root of 2001351142 is about 1260.2047080686.

Adding to 2001351142 its reverse (2411531002), we get a palindrome (4412882144).

The spelling of 2001351142 in words is "two billion, one million, three hundred fifty-one thousand, one hundred forty-two".