2042342011 has 4 divisors (see below), whose sum is σ = 2042490024. Its totient is φ = 2042194000.

The previous prime is 2042341997. The next prime is 2042342059. The reversal of 2042342011 is 1102432402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2042342011 - 2⁷ = 2042341883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042342011.

It is not an unprimeable number, because it can be changed into a prime (2042342711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50905 + ... + 81706.

It is an arithmetic number, because the mean of its divisors is an integer number (510622506).

Almost surely, 2^2042342011 is an apocalyptic number.

2042342011 is a deficient number, since it is larger than the sum of its proper divisors (148013).

2042342011 is a wasteful number, since it uses less digits than its factorization.

2042342011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148012.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2042342011 is about 45192.2782231655. The cubic root of 2042342011 is about 1268.7502971163.

Adding to 2042342011 its reverse (1102432402), we get a palindrome (3144774413).

The spelling of 2042342011 in words is "two billion, forty-two million, three hundred forty-two thousand, eleven".