327130234209 has 27 divisors (see below), whose sum is σ = 478491381043. Its totient is φ = 215365470432.

The previous prime is 327130234183. The next prime is 327130234237. The reversal of 327130234209 is 902432031723.

The square root of 327130234209 is 571953.

It is a perfect power (a square), and thus also a powerful number.

327130234209 is a `hidden beast` number, since 3 + 2 + 7 + 1 + 302 + 342 + 0 + 9 = 666.

327130234209 is digitally balanced in base 4, 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 only one way, i.e., 153801230625 + 173329003584 = 392175^2 + 416328^2 .

It is a de Polignac number, because none of the positive numbers 2^k-327130234209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (327130234259) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 142415149 + ... + 142417445.

Almost surely, 2^327130234209 is an apocalyptic number.

327130234209 is the 571953-rd square number.

327130234209 is the 285977-th centered octagonal number.

It is an amenable number.

327130234209 is a deficient number, since it is larger than the sum of its proper divisors (151361146834).

327130234209 is an frugal number, since it uses more digits than its factorization.

327130234209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766 (or 2383 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

Multiplying 327130234209 by its sum of digits (36), we get a square (11776688431524 = 3431718²).

The spelling of 327130234209 in words is "three hundred twenty-seven billion, one hundred thirty million, two hundred thirty-four thousand, two hundred nine".