Search a number
-
+
13115321353 is a prime number
BaseRepresentation
bin11000011011011101…
…11110110000001001
31020212000210100121201
430031232332300021
5203330010240403
610005230504201
7643003251331
oct141556766011
936760710551
1013115321353
115620291062
122660365061
13131024b1a4
148c5bc80c1
1551b63121d
hex30dbbec09

13115321353 has 2 divisors, whose sum is σ = 13115321354. Its totient is φ = 13115321352.

The previous prime is 13115321327. The next prime is 13115321357. The reversal of 13115321353 is 35312351131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13077523449 + 37797904 = 114357^2 + 6148^2 .

It is a cyclic number.

It is not a de Polignac number, because 13115321353 - 25 = 13115321321 is a prime.

It is not a weakly prime, because it can be changed into another prime (13115321357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6557660676 + 6557660677.

It is an arithmetic number, because the mean of its divisors is an integer number (6557660677).

Almost surely, 213115321353 is an apocalyptic number.

It is an amenable number.

13115321353 is a deficient number, since it is larger than the sum of its proper divisors (1).

13115321353 is an equidigital number, since it uses as much as digits as its factorization.

13115321353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050, while the sum is 28.

Adding to 13115321353 its reverse (35312351131), we get a palindrome (48427672484).

The spelling of 13115321353 in words is "thirteen billion, one hundred fifteen million, three hundred twenty-one thousand, three hundred fifty-three".