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11301122231 = 72117651403
BaseRepresentation
bin10101000011001100…
…10111000010110111
31002011121001111021122
422201212113002313
5141121041402411
65105222134155
7550023645140
oct124146270267
932147044248
1011301122231
11487a209443
12223488135b
1310b1429199
14792c96ac7
154622209db
hex2a19970b7

11301122231 has 8 divisors (see below), whose sum is σ = 12976781184. Its totient is φ = 9640766520.

The previous prime is 11301122227. The next prime is 11301122237. The reversal of 11301122231 is 13222110311.

11301122231 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 not a de Polignac number, because 11301122231 - 22 = 11301122227 is a prime.

It is a super-2 number, since 2×113011222312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301122237) 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, 3824225 + ... + 3827178.

It is an arithmetic number, because the mean of its divisors is an integer number (1622097648).

Almost surely, 211301122231 is an apocalyptic number.

11301122231 is a deficient number, since it is larger than the sum of its proper divisors (1675658953).

11301122231 is an equidigital number, since it uses as much as digits as its factorization.

11301122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651621.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11301122231 its reverse (13222110311), we get a palindrome (24523232542).

The spelling of 11301122231 in words is "eleven billion, three hundred one million, one hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 7 211 1477 7651403 53559821 1614446033 11301122231