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12311441203 = 57121561193
BaseRepresentation
bin10110111011101000…
…11010111100110011
31011210000011000100211
423131310122330303
5200203212104303
65353352524551
7614042344405
oct133564327463
934700130324
1012311441203
11524853aaa6
1224770b0757
13121283a169
1484b12cb75
154c0c8e66d
hex2ddd1af33

12311441203 has 4 divisors (see below), whose sum is σ = 12333002968. Its totient is φ = 12289879440.

The previous prime is 12311441201. The next prime is 12311441209. The reversal of 12311441203 is 30214411321.

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 12311441203 - 21 = 12311441201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311441201) 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, 10780026 + ... + 10781167.

It is an arithmetic number, because the mean of its divisors is an integer number (3083250742).

Almost surely, 212311441203 is an apocalyptic number.

12311441203 is a deficient number, since it is larger than the sum of its proper divisors (21561765).

12311441203 is an equidigital number, since it uses as much as digits as its factorization.

12311441203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21561764.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12311441203 its reverse (30214411321), we get a palindrome (42525852524).

The spelling of 12311441203 in words is "twelve billion, three hundred eleven million, four hundred forty-one thousand, two hundred three".

Divisors: 1 571 21561193 12311441203