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12113310311 = 83137145703
BaseRepresentation
bin10110100100000001…
…00111001001100111
31011021012022220212122
423102000213021213
5144302001412221
65321554140155
7606115303334
oct132200471147
934235286778
1012113310311
115156714363
12242088165b
1311b078884b
1482cab598b
154ad6a3eab
hex2d2027267

12113310311 has 4 divisors (see below), whose sum is σ = 12113539152. Its totient is φ = 12113081472.

The previous prime is 12113310299. The next prime is 12113310323. The reversal of 12113310311 is 11301331121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11301331121 = 21153560811.

It is an interprime number because it is at equal distance from previous prime (12113310299) and next prime (12113310323).

It is a cyclic number.

It is not a de Polignac number, because 12113310311 - 230 = 11039568487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12113310311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113310211) 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, 10286 + ... + 155988.

It is an arithmetic number, because the mean of its divisors is an integer number (3028384788).

Almost surely, 212113310311 is an apocalyptic number.

12113310311 is a deficient number, since it is larger than the sum of its proper divisors (228841).

12113310311 is an equidigital number, since it uses as much as digits as its factorization.

12113310311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228840.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 12113310311 its reverse (11301331121), we get a palindrome (23414641432).

The spelling of 12113310311 in words is "twelve billion, one hundred thirteen million, three hundred ten thousand, three hundred eleven".

Divisors: 1 83137 145703 12113310311