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1321103303 = 13175977843
BaseRepresentation
bin100111010111110…
…0110111111000111
310102001220000000222
41032233212333013
510201200301203
6335031454555
744511123062
oct11657467707
93361800028
101321103303
11618801513
1230a52745b
13180916640
14c76558d9
157aead038
hex4ebe6fc7

1321103303 has 8 divisors (see below), whose sum is σ = 1506416688. Its totient is φ = 1147745664.

The previous prime is 1321103297. The next prime is 1321103309. The reversal of 1321103303 is 3033011231.

It is an interprime number because it is at equal distance from previous prime (1321103297) and next prime (1321103309).

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

It is not a de Polignac number, because 1321103303 - 214 = 1321086919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321103309) 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, 2988701 + ... + 2989142.

It is an arithmetic number, because the mean of its divisors is an integer number (188302086).

Almost surely, 21321103303 is an apocalyptic number.

1321103303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1321103303 is a deficient number, since it is larger than the sum of its proper divisors (185313385).

1321103303 is a wasteful number, since it uses less digits than its factorization.

1321103303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977873.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1321103303 is about 36346.9847855362. The cubic root of 1321103303 is about 1097.2668518155.

Adding to 1321103303 its reverse (3033011231), we get a palindrome (4354114534).

The spelling of 1321103303 in words is "one billion, three hundred twenty-one million, one hundred three thousand, three hundred three".

Divisors: 1 13 17 221 5977843 77711959 101623331 1321103303