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1301311 = 11281421
BaseRepresentation
bin100111101101100111111
32110010001201
410331230333
5313120221
643520331
714026624
oct4755477
92403051
101301311
11809770
125290a7
1336740b
1425c34b
151aa891
hex13db3f

1301311 has 8 divisors (see below), whose sum is σ = 1428048. Its totient is φ = 1176000.

The previous prime is 1301297. The next prime is 1301323. The reversal of 1301311 is 1131031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1301311 - 213 = 1293119 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 (1301011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2881 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (178506).

21301311 is an apocalyptic number.

1301311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1301311 is a deficient number, since it is larger than the sum of its proper divisors (126737).

1301311 is a wasteful number, since it uses less digits than its factorization.

1301311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 1301311 is about 1140.7501917598. The cubic root of 1301311 is about 109.1759635719.

Adding to 1301311 its reverse (1131031), we get a palindrome (2432342).

It can be divided in two parts, 130 and 1311, that added together give a palindrome (1441).

The spelling of 1301311 in words is "one million, three hundred one thousand, three hundred eleven".

Divisors: 1 11 281 421 3091 4631 118301 1301311