2171314730 has 32 divisors (see below), whose sum is σ = 4211754624. Its totient is φ = 801193536.

The previous prime is 2171314729. The next prime is 2171314757. The reversal of 2171314730 is 374131712.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2171314693 and 2171314702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235589 + ... + 244631.

It is an arithmetic number, because the mean of its divisors is an integer number (131617332).

Almost surely, 2^2171314730 is an apocalyptic number.

2171314730 is a deficient number, since it is larger than the sum of its proper divisors (2040439894).

2171314730 is a wasteful number, since it uses less digits than its factorization.

2171314730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 2171314730 is about 46597.3682733263. The cubic root of 2171314730 is about 1294.9139997450.

The spelling of 2171314730 in words is "two billion, one hundred seventy-one million, three hundred fourteen thousand, seven hundred thirty".