Search a number
-
+
131112341 is a prime number
BaseRepresentation
bin1111101000010…
…01110110010101
3100010201012022122
413310021312111
5232031043331
621002105325
73151302503
oct764116625
9303635278
10131112341
1168011708
1237aab245
1321217b89
14135ad673
15b79d17b
hex7d09d95

131112341 has 2 divisors, whose sum is σ = 131112342. Its totient is φ = 131112340.

The previous prime is 131112329. The next prime is 131112379. The reversal of 131112341 is 143211131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119990116 + 11122225 = 10954^2 + 3335^2 .

It is a cyclic number.

It is not a de Polignac number, because 131112341 - 222 = 126918037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131112841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65556170 + 65556171.

It is an arithmetic number, because the mean of its divisors is an integer number (65556171).

Almost surely, 2131112341 is an apocalyptic number.

It is an amenable number.

131112341 is a deficient number, since it is larger than the sum of its proper divisors (1).

131112341 is an equidigital number, since it uses as much as digits as its factorization.

131112341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 17.

The square root of 131112341 is about 11450.4297299272. The cubic root of 131112341 is about 508.0204450097.

Adding to 131112341 its reverse (143211131), we get a palindrome (274323472).

The spelling of 131112341 in words is "one hundred thirty-one million, one hundred twelve thousand, three hundred forty-one".