Search a number
-
+
1311114131 is a prime number
BaseRepresentation
bin100111000100110…
…0000001110010011
310101101002111110122
41032021200032103
510141121123011
6334033420455
744330200115
oct11611401623
93341074418
101311114131
116130a94a8
1230710a72b
1317b8299a2
14c61b53b5
157a1883db
hex4e260393

1311114131 has 2 divisors, whose sum is σ = 1311114132. Its totient is φ = 1311114130.

The previous prime is 1311114097. The next prime is 1311114151. The reversal of 1311114131 is 1314111131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1311114131 - 226 = 1244005267 is a prime.

It is a super-2 number, since 2×13111141312 = 3438040529015770322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1311114151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655557065 + 655557066.

It is an arithmetic number, because the mean of its divisors is an integer number (655557066).

Almost surely, 21311114131 is an apocalyptic number.

1311114131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311114131 is an equidigital number, since it uses as much as digits as its factorization.

1311114131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36, while the sum is 17.

The square root of 1311114131 is about 36209.3100044726. The cubic root of 1311114131 is about 1094.4942880002.

Adding to 1311114131 its reverse (1314111131), we get a palindrome (2625225262).

The spelling of 1311114131 in words is "one billion, three hundred eleven million, one hundred fourteen thousand, one hundred thirty-one".