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12311334313 = 31913858143
BaseRepresentation
bin10110111011101000…
…00000110110101001
31011202222221120201221
423131310000312221
5200203200144223
65353350342041
7614041420645
oct133564006651
934688846657
1012311334313
115248477763
12247705a921
131212800605
1484b101c25
154c0c6cb5d
hex2ddd00da9

12311334313 has 4 divisors (see below), whose sum is σ = 12315195648. Its totient is φ = 12307472980.

The previous prime is 12311334263. The next prime is 12311334323. The reversal of 12311334313 is 31343311321.

12311334313 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12311334313 - 213 = 12311326121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311334323) 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, 1925881 + ... + 1932262.

It is an arithmetic number, because the mean of its divisors is an integer number (3078798912).

Almost surely, 212311334313 is an apocalyptic number.

It is an amenable number.

12311334313 is a deficient number, since it is larger than the sum of its proper divisors (3861335).

12311334313 is an equidigital number, since it uses as much as digits as its factorization.

12311334313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861334.

The product of its digits is 1944, while the sum is 25.

Adding to 12311334313 its reverse (31343311321), we get a palindrome (43654645634).

The spelling of 12311334313 in words is "twelve billion, three hundred eleven million, three hundred thirty-four thousand, three hundred thirteen".

Divisors: 1 3191 3858143 12311334313