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1311116807 = 711131309807
BaseRepresentation
bin100111000100110…
…0000111000000111
310101101002122010202
41032021200320013
510141121214212
6334033441115
744330210660
oct11611407007
93341078122
101311116807
11613100510
1230711019b
1317b82ac80
14c61b6367
157a1890c2
hex4e260e07

1311116807 has 16 divisors (see below), whose sum is σ = 1760381952. Its totient is φ = 943060320.

The previous prime is 1311116801. The next prime is 1311116813. The reversal of 1311116807 is 7086111131.

It is an interprime number because it is at equal distance from previous prime (1311116801) and next prime (1311116813).

It is a cyclic number.

It is not a de Polignac number, because 1311116807 - 210 = 1311115783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1311116807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311116801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653903 + ... + 655904.

It is an arithmetic number, because the mean of its divisors is an integer number (110023872).

Almost surely, 21311116807 is an apocalyptic number.

1311116807 is a deficient number, since it is larger than the sum of its proper divisors (449265145).

1311116807 is a wasteful number, since it uses less digits than its factorization.

1311116807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309838.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 1311116807 is about 36209.3469562764. The cubic root of 1311116807 is about 1094.4950326251.

Adding to 1311116807 its reverse (7086111131), we get a palindrome (8397227938).

The spelling of 1311116807 in words is "one billion, three hundred eleven million, one hundred sixteen thousand, eight hundred seven".

Divisors: 1 7 11 13 77 91 143 1001 1309807 9168649 14407877 17027491 100855139 119192437 187302401 1311116807