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13130311321311 = 34376770440437
BaseRepresentation
bin1011111100010010001110…
…0010101100011011011111
31201111020121222020112110020
42333010203202230123133
53210111334144240221
643531552020243223
72523430232510142
oct277044342543337
951436558215406
1013130311321311
114202596486168
1215808aa840513
1374324c1c2b32
143357209b0059
1517b8399e3ac6
hexbf1238ac6df

13130311321311 has 4 divisors (see below), whose sum is σ = 17507081761752. Its totient is φ = 8753540880872.

The previous prime is 13130311321297. The next prime is 13130311321313. The reversal of 13130311321311 is 11312311303131.

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 13130311321311 - 215 = 13130311288543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130311321313) 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, 2188385220216 + ... + 2188385220221.

It is an arithmetic number, because the mean of its divisors is an integer number (4376770440438).

Almost surely, 213130311321311 is an apocalyptic number.

13130311321311 is a deficient number, since it is larger than the sum of its proper divisors (4376770440441).

13130311321311 is an equidigital number, since it uses as much as digits as its factorization.

13130311321311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376770440440.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 13130311321311 its reverse (11312311303131), we get a palindrome (24442622624442).

The spelling of 13130311321311 in words is "thirteen trillion, one hundred thirty billion, three hundred eleven million, three hundred twenty-one thousand, three hundred eleven".

Divisors: 1 3 4376770440437 13130311321311