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13200223331 = 45172922343
BaseRepresentation
bin11000100101100101…
…10110110001100011
31021001221112211020102
430102302312301203
5204013224121311
610021502333015
7645054022061
oct142262666143
937057484212
1013200223331
115664200189
12268488a16b
131324a06849
148d31a9031
15523d0243b
hex312cb6c63

13200223331 has 4 divisors (see below), whose sum is σ = 13203150192. Its totient is φ = 13197296472.

The previous prime is 13200223313. The next prime is 13200223339. The reversal of 13200223331 is 13332200231.

13200223331 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13200223331 is a prime.

It is a super-2 number, since 2×132002233312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13200223339) 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 3 ways as a sum of consecutive naturals, for example, 1456655 + ... + 1465688.

It is an arithmetic number, because the mean of its divisors is an integer number (3300787548).

Almost surely, 213200223331 is an apocalyptic number.

13200223331 is a deficient number, since it is larger than the sum of its proper divisors (2926861).

13200223331 is an equidigital number, since it uses as much as digits as its factorization.

13200223331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926860.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13200223331 its reverse (13332200231), we get a palindrome (26532423562).

The spelling of 13200223331 in words is "thirteen billion, two hundred million, two hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 4517 2922343 13200223331