Search a number
-
+
213030200111231 = 313680607668087
BaseRepresentation
bin110000011011111111110101…
…011001110111000001111111
31000221021111011220222012020002
4300123333311121313001333
5210410241322212024411
62033024420051144515
762604631643644556
oct6033776531670177
91027244156865202
10213030200111231
1161972667305658
121ba8681aba513b
1391b387a9051a9
143a86a068a4d9d
15199660ebcc33b
hexc1bff567707f

213030200111231 has 4 divisors (see below), whose sum is σ = 213710807779632. Its totient is φ = 212349592442832.

The previous prime is 213030200111221. The next prime is 213030200111257. The reversal of 213030200111231 is 132111002030312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213030200111231 - 234 = 213013020242047 is a prime.

It is a super-2 number, since 2×2130302001112312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213030200111221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340303833731 + ... + 340303834356.

It is an arithmetic number, because the mean of its divisors is an integer number (53427701944908).

Almost surely, 2213030200111231 is an apocalyptic number.

213030200111231 is a deficient number, since it is larger than the sum of its proper divisors (680607668401).

213030200111231 is an equidigital number, since it uses as much as digits as its factorization.

213030200111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680607668400.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213030200111231 its reverse (132111002030312), we get a palindrome (345141202141543).

The spelling of 213030200111231 in words is "two hundred thirteen trillion, thirty billion, two hundred million, one hundred eleven thousand, two hundred thirty-one".

Divisors: 1 313 680607668087 213030200111231