2171203130 has 8 divisors (see below), whose sum is σ = 3908165652. Its totient is φ = 868481248.

The previous prime is 2171203123. The next prime is 2171203163. The reversal of 2171203130 is 313021712.

2171203130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2027610841 + 143592289 = 45029^2 + 11983^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108560147 + ... + 108560166.

Almost surely, 2^2171203130 is an apocalyptic number.

2171203130 is a deficient number, since it is larger than the sum of its proper divisors (1736962522).

2171203130 is a wasteful number, since it uses less digits than its factorization.

2171203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217120320.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2171203130 is about 46596.1707654181. The cubic root of 2171203130 is about 1294.8918142804.

Adding to 2171203130 its reverse (313021712), we get a palindrome (2484224842).

The spelling of 2171203130 in words is "two billion, one hundred seventy-one million, two hundred three thousand, one hundred thirty".