Search a number
-
+
13804138331 is a prime number
BaseRepresentation
bin11001101101100101…
…00110111101011011
31022122000220212212122
430312302212331123
5211232324411311
610201434331455
7666036145154
oct146662467533
938560825778
1013804138331
115944092495
122812b89b8b
1313bcb733b9
1494d49092b
1555bd450db
hex336ca6f5b

13804138331 has 2 divisors, whose sum is σ = 13804138332. Its totient is φ = 13804138330.

The previous prime is 13804138297. The next prime is 13804138393. The reversal of 13804138331 is 13383140831.

It is a weak prime.

It is an emirp because it is prime and its reverse (13383140831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13804138331 - 222 = 13799944027 is a prime.

It is a super-2 number, since 2×138041383312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13804138291 and 13804138300.

It is not a weakly prime, because it can be changed into another prime (13804138531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6902069165 + 6902069166.

It is an arithmetic number, because the mean of its divisors is an integer number (6902069166).

Almost surely, 213804138331 is an apocalyptic number.

13804138331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13804138331 is an equidigital number, since it uses as much as digits as its factorization.

13804138331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 13804138331 in words is "thirteen billion, eight hundred four million, one hundred thirty-eight thousand, three hundred thirty-one".