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12311203300013 = 31397135590323
BaseRepresentation
bin1011001100100110110011…
…1001100100001010101101
31121120221100220222201222002
42303021230321210022231
53103201321021100023
642103404432502045
72410312044301202
oct263115471441255
947527326881862
1012311203300013
113a17174346232
121469bb10aa925
136b3c315b71a7
14307c189d1ca9
15165398e2ab28
hexb326ce642ad

12311203300013 has 4 divisors (see below), whose sum is σ = 12708338890368. Its totient is φ = 11914067709660.

The previous prime is 12311203300009. The next prime is 12311203300079. The reversal of 12311203300013 is 31000330211321.

12311203300013 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 12311203300013 - 22 = 12311203300009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311203000013) 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, 198567795131 + ... + 198567795192.

It is an arithmetic number, because the mean of its divisors is an integer number (3177084722592).

Almost surely, 212311203300013 is an apocalyptic number.

It is an amenable number.

12311203300013 is a deficient number, since it is larger than the sum of its proper divisors (397135590355).

12311203300013 is an equidigital number, since it uses as much as digits as its factorization.

12311203300013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397135590354.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12311203300013 its reverse (31000330211321), we get a palindrome (43311533511334).

The spelling of 12311203300013 in words is "twelve trillion, three hundred eleven billion, two hundred three million, three hundred thousand, thirteen".

Divisors: 1 31 397135590323 12311203300013