2171203242 has 32 divisors (see below), whose sum is σ = 4679912832. Its totient is φ = 667566144.

The previous prime is 2171203189. The next prime is 2171203249. The reversal of 2171203242 is 2423021712.

2171203242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2171203249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103248 + ... + 122484.

It is an arithmetic number, because the mean of its divisors is an integer number (146247276).

Almost surely, 2^2171203242 is an apocalyptic number.

2171203242 is an abundant number, since it is smaller than the sum of its proper divisors (2508709590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2171203242 is a wasteful number, since it uses less digits than its factorization.

2171203242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20702.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2171203242 is about 46596.1719672335. The cubic root of 2171203242 is about 1294.8918365457.

Adding to 2171203242 its reverse (2423021712), we get a palindrome (4594224954).

The spelling of 2171203242 in words is "two billion, one hundred seventy-one million, two hundred three thousand, two hundred forty-two".