2042321071 has 4 divisors (see below), whose sum is σ = 2334081232. Its totient is φ = 1750560912.

The previous prime is 2042321063. The next prime is 2042321081. The reversal of 2042321071 is 1701232402.

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 2042321071 - 2³ = 2042321063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042321011) 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, 145880070 + ... + 145880083.

It is an arithmetic number, because the mean of its divisors is an integer number (583520308).

Almost surely, 2^2042321071 is an apocalyptic number.

2042321071 is a deficient number, since it is larger than the sum of its proper divisors (291760161).

2042321071 is an equidigital number, since it uses as much as digits as its factorization.

2042321071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291760160.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2042321071 is about 45192.0465458249. The cubic root of 2042321071 is about 1268.7459609633.

Adding to 2042321071 its reverse (1701232402), we get a palindrome (3743553473).

The spelling of 2042321071 in words is "two billion, forty-two million, three hundred twenty-one thousand, seventy-one".