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213102302313 = 371034100771
BaseRepresentation
bin1100011001110111100…
…0110001010001101001
3202101001110120121100110
43012131320301101221
511442413142133223
6241521533524533
721252605453055
oct3063570612151
9671043517313
10213102302313
118241576a91a
1235373643749
131713195c594
14a45827ac65
155823882d93
hex319de31469

213102302313 has 4 divisors (see below), whose sum is σ = 284136403088. Its totient is φ = 142068201540.

The previous prime is 213102302291. The next prime is 213102302317. The reversal of 213102302313 is 313203201312.

213102302313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 213102302313 - 28 = 213102302057 is a prime.

It is a super-2 number, since 2×2131023023132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213102302313.

It is not an unprimeable number, because it can be changed into a prime (213102302317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35517050383 + ... + 35517050388.

It is an arithmetic number, because the mean of its divisors is an integer number (71034100772).

Almost surely, 2213102302313 is an apocalyptic number.

It is an amenable number.

213102302313 is a deficient number, since it is larger than the sum of its proper divisors (71034100775).

213102302313 is an equidigital number, since it uses as much as digits as its factorization.

213102302313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71034100774.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213102302313 its reverse (313203201312), we get a palindrome (526305503625).

The spelling of 213102302313 in words is "two hundred thirteen billion, one hundred two million, three hundred two thousand, three hundred thirteen".

Divisors: 1 3 71034100771 213102302313