Search a number
-
+
213130130233 is a prime number
BaseRepresentation
bin1100011001111110001…
…0111011001100111001
3202101010101221102002011
43012133202323030321
511442442303131413
6241524410205521
721253364134036
oct3063742731471
9671111842064
10213130130233
118242a4473a9
1235380a238a1
13171376539c7
14a45bc4238d
15582602d33d
hex319f8bb339

213130130233 has 2 divisors, whose sum is σ = 213130130234. Its totient is φ = 213130130232.

The previous prime is 213130130231. The next prime is 213130130243. The reversal of 213130130233 is 332031031312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211345236729 + 1784893504 = 459723^2 + 42248^2 .

It is a cyclic number.

It is not a de Polignac number, because 213130130233 - 21 = 213130130231 is a prime.

Together with 213130130231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (213130130231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106565065116 + 106565065117.

It is an arithmetic number, because the mean of its divisors is an integer number (106565065117).

Almost surely, 2213130130233 is an apocalyptic number.

It is an amenable number.

213130130233 is a deficient number, since it is larger than the sum of its proper divisors (1).

213130130233 is an equidigital number, since it uses as much as digits as its factorization.

213130130233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 213130130233 its reverse (332031031312), we get a palindrome (545161161545).

The spelling of 213130130233 in words is "two hundred thirteen billion, one hundred thirty million, one hundred thirty thousand, two hundred thirty-three".