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3121103330311 = 41599648119609
BaseRepresentation
bin101101011010110000010…
…000010101110000000111
3102001101010001112212121011
4231122300100111300013
5402114004423032221
610345452020103051
7441330564402661
oct55326020256007
912041101485534
103121103330311
11aa371a51022a
12424a83234a87
1319841b492a35
14ab0c29a7531
15562c14dc1e1
hex2d6b0415c07

3121103330311 has 16 divisors (see below), whose sum is σ = 3203222904000. Its totient is φ = 3039271372800.

The previous prime is 3121103330281. The next prime is 3121103330419. The reversal of 3121103330311 is 1130333011213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3121103330311 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 (3121103337311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159157075 + ... + 159176683.

It is an arithmetic number, because the mean of its divisors is an integer number (200201431500).

Almost surely, 23121103330311 is an apocalyptic number.

3121103330311 is a deficient number, since it is larger than the sum of its proper divisors (82119573689).

3121103330311 is a wasteful number, since it uses less digits than its factorization.

3121103330311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26730.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 3121103330311 its reverse (1130333011213), we get a palindrome (4251436341524).

The spelling of 3121103330311 in words is "three trillion, one hundred twenty-one billion, one hundred three million, three hundred thirty thousand, three hundred eleven".

Divisors: 1 41 599 6481 19609 24559 265721 803969 3882119 11745791 127085929 159166879 481577431 5210523089 76124471471 3121103330311