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230021330213321 = 834571275616251
BaseRepresentation
bin110100010011010000000011…
…101011011001100111001001
31010011102211020222212220221022
4310103100003223121213021
5220122132141013311241
62133114201301122225
766310330664565623
oct6423200353314711
91104384228786838
10230021330213321
1167323553297379
122196b8120b9375
139b46bc285bb1a
1440b313dbddc13
151b8d5b179154b
hexd13403ad99c9

230021330213321 has 4 divisors (see below), whose sum is σ = 230021606664144. Its totient is φ = 230021053762500.

The previous prime is 230021330213287. The next prime is 230021330213359. The reversal of 230021330213321 is 123312033120032.

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 230021330213321 - 218 = 230021329951177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230021330212321) 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, 136973555 + ... + 138642696.

It is an arithmetic number, because the mean of its divisors is an integer number (57505401666036).

Almost surely, 2230021330213321 is an apocalyptic number.

It is an amenable number.

230021330213321 is a deficient number, since it is larger than the sum of its proper divisors (276450823).

230021330213321 is an equidigital number, since it uses as much as digits as its factorization.

230021330213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276450822.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 230021330213321 its reverse (123312033120032), we get a palindrome (353333363333353).

The spelling of 230021330213321 in words is "two hundred thirty trillion, twenty-one billion, three hundred thirty million, two hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 834571 275616251 230021330213321