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1311120200013 = 31344237600829
BaseRepresentation
bin10011000101000100110…
…110101001000101001101
311122100020012222010212220
4103011010312221011031
5132440133232400023
62442153104045553
7163503531550521
oct23050466510515
94570205863786
101311120200013
11466052199038
1219212b6038b9
139683abb8a50
144765c3c7d81
152418a3093e3
hex13144da914d

1311120200013 has 16 divisors (see below), whose sum is σ = 1883060027520. Its totient is φ = 806660673984.

The previous prime is 1311120200011. The next prime is 1311120200017. The reversal of 1311120200013 is 3100020211131.

It is a happy number.

It is not a de Polignac number, because 1311120200013 - 21 = 1311120200011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1311120199965 and 1311120200001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311120200011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3627918 + ... + 3972911.

It is an arithmetic number, because the mean of its divisors is an integer number (117691251720).

Almost surely, 21311120200013 is an apocalyptic number.

1311120200013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1311120200013 is a deficient number, since it is larger than the sum of its proper divisors (571939827507).

1311120200013 is a wasteful number, since it uses less digits than its factorization.

1311120200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7605268.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1311120200013 its reverse (3100020211131), we get a palindrome (4411140411144).

The spelling of 1311120200013 in words is "one trillion, three hundred eleven billion, one hundred twenty million, two hundred thousand, thirteen".

Divisors: 1 3 13 39 4423 13269 57499 172497 7600829 22802487 98810777 296432331 33618466667 100855400001 437040066671 1311120200013