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11230122131 = 23574764583
BaseRepresentation
bin10100111010101111…
…00001000010010011
31001222122110022110022
422131113201002103
5140444402402011
65054204254055
7545202314564
oct123527410223
931878408408
1011230122131
114843124a78
122214b4132b
13109c7ca3a7
1478769416b
1545ad988db
hex29d5e1093

11230122131 has 4 divisors (see below), whose sum is σ = 11234889072. Its totient is φ = 11225355192.

The previous prime is 11230122119. The next prime is 11230122151. The reversal of 11230122131 is 13122103211.

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

It is a cyclic number.

It is not a de Polignac number, because 11230122131 - 218 = 11229859987 is a prime.

It is a super-2 number, since 2×112301221312 (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 (11230122151) 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, 2379935 + ... + 2384648.

It is an arithmetic number, because the mean of its divisors is an integer number (2808722268).

Almost surely, 211230122131 is an apocalyptic number.

11230122131 is a deficient number, since it is larger than the sum of its proper divisors (4766941).

11230122131 is an equidigital number, since it uses as much as digits as its factorization.

11230122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766940.

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

Adding to 11230122131 its reverse (13122103211), we get a palindrome (24352225342).

The spelling of 11230122131 in words is "eleven billion, two hundred thirty million, one hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 2357 4764583 11230122131