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1311330110 = 25163804497
BaseRepresentation
bin100111000101001…
…0100111100111110
310101101111110201212
41032022110330332
510141200030420
6334042204422
744332056566
oct11612247476
93341443655
101311330110
116132367a2
123071b3712
1317b8a409c
14c622dda6
157a1cc3c5
hex4e294f3e

1311330110 has 16 divisors (see below), whose sum is σ = 2374878096. Its totient is φ = 521313408.

The previous prime is 1311330109. The next prime is 1311330133. The reversal of 1311330110 is 110331131.

It is a happy number.

It is a super-2 number, since 2×13113301102 = 3439173314785224200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400619 + ... + 403878.

It is an arithmetic number, because the mean of its divisors is an integer number (148429881).

Almost surely, 21311330110 is an apocalyptic number.

1311330110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311330110 is a deficient number, since it is larger than the sum of its proper divisors (1063547986).

1311330110 is a wasteful number, since it uses less digits than its factorization.

1311330110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804667.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1311330110 is about 36212.2922500081. The cubic root of 1311330110 is about 1094.5543831507.

Adding to 1311330110 its reverse (110331131), we get a palindrome (1421661241).

The spelling of 1311330110 in words is "one billion, three hundred eleven million, three hundred thirty thousand, one hundred ten".

Divisors: 1 2 5 10 163 326 815 1630 804497 1608994 4022485 8044970 131133011 262266022 655665055 1311330110