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213213330313 = 1911221754227
BaseRepresentation
bin1100011010010010000…
…0010011101110001001
3202101100012111102010121
43012210200103232021
511443130103032223
6241540541343241
721255424255624
oct3064440235611
9671305442117
10213213330313
11824724038a5
12353a4867b21
131714b964819
14a468cdcdbb
15582d4b515d
hex31a4813b89

213213330313 has 4 divisors (see below), whose sum is σ = 224435084560. Its totient is φ = 201991576068.

The previous prime is 213213330311. The next prime is 213213330397. The reversal of 213213330313 is 313033312312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213213330313 - 21 = 213213330311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213213330311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5610877095 + ... + 5610877132.

It is an arithmetic number, because the mean of its divisors is an integer number (56108771140).

Almost surely, 2213213330313 is an apocalyptic number.

It is an amenable number.

213213330313 is a deficient number, since it is larger than the sum of its proper divisors (11221754247).

213213330313 is a wasteful number, since it uses less digits than its factorization.

213213330313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221754246.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 213213330313 its reverse (313033312312), we get a palindrome (526246642625).

The spelling of 213213330313 in words is "two hundred thirteen billion, two hundred thirteen million, three hundred thirty thousand, three hundred thirteen".

Divisors: 1 19 11221754227 213213330313