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13131023224201 = 37354892519573
BaseRepresentation
bin1011111100010100110111…
…1110011000110110001001
31201111022110120210221121221
42333011031332120312021
53210114313421133301
643532150411002041
72523453665544601
oct277051576306611
951438416727557
1013131023224201
114202921315363
121580a69139321
1374333383bc4c
1433578b365c01
1517b87c267da1
hexbf14df98d89

13131023224201 has 4 divisors (see below), whose sum is σ = 13485915743812. Its totient is φ = 12776130704592.

The previous prime is 13131023224159. The next prime is 13131023224223. The reversal of 13131023224201 is 10242232013131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8659342040976 + 4471681183225 = 2942676^2 + 2114635^2 .

It is a cyclic number.

It is not a de Polignac number, because 13131023224201 - 229 = 13130486353289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131023224001) 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, 177446259750 + ... + 177446259823.

It is an arithmetic number, because the mean of its divisors is an integer number (3371478935953).

Almost surely, 213131023224201 is an apocalyptic number.

It is an amenable number.

13131023224201 is a deficient number, since it is larger than the sum of its proper divisors (354892519611).

13131023224201 is an equidigital number, since it uses as much as digits as its factorization.

13131023224201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354892519610.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13131023224201 its reverse (10242232013131), we get a palindrome (23373255237332).

The spelling of 13131023224201 in words is "thirteen trillion, one hundred thirty-one billion, twenty-three million, two hundred twenty-four thousand, two hundred one".

Divisors: 1 37 354892519573 13131023224201