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13123341041131 = 49787263589713
BaseRepresentation
bin1011111011111000010000…
…0101001011110111101011
31201110120122012102121121001
42332332010011023313223
53210003100301304011
643524440223055431
72523062424221446
oct276760405136753
951416565377531
1013123341041131
1141aa639990532
12157b484441577
137426ab0c44a9
1433525cd8c65d
1517b57caea7c1
hexbef8414bdeb

13123341041131 has 4 divisors (see below), whose sum is σ = 13123604680632. Its totient is φ = 13123077401632.

The previous prime is 13123341041123. The next prime is 13123341041137. The reversal of 13123341041131 is 13114014332131.

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 13123341041131 - 23 = 13123341041123 is a prime.

It is a super-2 number, since 2×131233410411312 (a number of 27 digits) contains 22 as substring.

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 13123341041131.

It is not an unprimeable number, because it can be changed into a prime (13123341041137) 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, 131745070 + ... + 131844643.

It is an arithmetic number, because the mean of its divisors is an integer number (3280901170158).

Almost surely, 213123341041131 is an apocalyptic number.

13123341041131 is a deficient number, since it is larger than the sum of its proper divisors (263639501).

13123341041131 is an equidigital number, since it uses as much as digits as its factorization.

13123341041131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263639500.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 13123341041131 its reverse (13114014332131), we get a palindrome (26237355373262).

The spelling of 13123341041131 in words is "thirteen trillion, one hundred twenty-three billion, three hundred forty-one million, forty-one thousand, one hundred thirty-one".

Divisors: 1 49787 263589713 13123341041131