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3103303011221 = 747151148142179
BaseRepresentation
bin101101001010001011010…
…001100000101110010101
3101222200011112002222021202
4231022023101200232111
5401321031032324341
610333345425322245
7440130512235650
oct55121321405625
911880145088252
103103303011221
11a97115713016
12421535a96385
1319684273744a
14aa2b48b8897
1555acd92879b
hex2d28b460b95

3103303011221 has 32 divisors (see below), whose sum is σ = 3648628039680. Its totient is φ = 2584330416000.

The previous prime is 3103303011199. The next prime is 3103303011233. The reversal of 3103303011221 is 1221103033013.

It is a cyclic number.

It is not a de Polignac number, because 3103303011221 - 214 = 3103302994837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3103303011193 and 3103303011202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103303011271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73553510 + ... + 73595688.

It is an arithmetic number, because the mean of its divisors is an integer number (114019626240).

Almost surely, 23103303011221 is an apocalyptic number.

It is an amenable number.

3103303011221 is a deficient number, since it is larger than the sum of its proper divisors (545325028459).

3103303011221 is a wasteful number, since it uses less digits than its factorization.

3103303011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43865.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 3103303011221 its reverse (1221103033013), we get a palindrome (4324406044234).

The spelling of 3103303011221 in words is "three trillion, one hundred three billion, three hundred three million, eleven thousand, two hundred twenty-one".

Divisors: 1 7 47 151 329 1057 1481 7097 10367 42179 49679 69607 223631 295253 487249 1565417 1982413 6369029 10510657 13876891 44583203 62467099 73574599 299344363 437269693 2095410541 2935953653 9432531949 20551675571 66027723643 443329001603 3103303011221