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2112301321 = 13199981283
BaseRepresentation
bin111110111100111…
…0010100100001001
312110012200000200021
41331321302210021
513311222120241
6545333540441
7103226156614
oct17571624411
95405600607
102112301321
11994380279
124ab4a4721
13278807050
1416076d17b
15c56970d1
hex7de72909

2112301321 has 8 divisors (see below), whose sum is σ = 2275952000. Its totient is φ = 1948817232.

The previous prime is 2112301309. The next prime is 2112301339. The reversal of 2112301321 is 1231032112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112301321 - 227 = 1978083593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112301295 and 2112301304.

It is not an unprimeable number, because it can be changed into a prime (2112301381) by changing a digit.

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, 14655 + ... + 66628.

It is an arithmetic number, because the mean of its divisors is an integer number (284494000).

Almost surely, 22112301321 is an apocalyptic number.

It is an amenable number.

2112301321 is a deficient number, since it is larger than the sum of its proper divisors (163650679).

2112301321 is a wasteful number, since it uses less digits than its factorization.

2112301321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83295.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2112301321 is about 45959.7793837177. The cubic root of 2112301321 is about 1283.0747453501.

Adding to 2112301321 its reverse (1231032112), we get a palindrome (3343333433).

The spelling of 2112301321 in words is "two billion, one hundred twelve million, three hundred one thousand, three hundred twenty-one".

Divisors: 1 13 1999 25987 81283 1056679 162484717 2112301321