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13230314221 = 211392915959
BaseRepresentation
bin11000101001001011…
…01001001011101101
31021011001011121011211
430110211221023231
5204043430023341
610024455314421
7645600546445
oct142445511355
937131147154
1013230314221
11567a192993
12269297ba11
13132b010cc7
148d719d125
15526798181
hex3149692ed

13230314221 has 8 divisors (see below), whose sum is σ = 13297233600. Its totient is φ = 13163435040.

The previous prime is 13230314197. The next prime is 13230314267. The reversal of 13230314221 is 12241303231.

13230314221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13230314221 - 25 = 13230314189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13230314192 and 13230314201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230314621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821040 + ... + 836998.

It is an arithmetic number, because the mean of its divisors is an integer number (1662154200).

Almost surely, 213230314221 is an apocalyptic number.

It is an amenable number.

13230314221 is a deficient number, since it is larger than the sum of its proper divisors (66919379).

13230314221 is a wasteful number, since it uses less digits than its factorization.

13230314221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20099.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13230314221 its reverse (12241303231), we get a palindrome (25471617452).

The spelling of 13230314221 in words is "thirteen billion, two hundred thirty million, three hundred fourteen thousand, two hundred twenty-one".

Divisors: 1 211 3929 15959 829019 3367349 62702911 13230314221