Search a number
-
+
131430203 is a prime number
BaseRepresentation
bin1111101010101…
…11011100111011
3100011022100100022
413311113130323
5232121231303
621013001055
73154065302
oct765273473
9304270308
10131430203
1168209503
123802318b
13212c9768
1413653439
15b812438
hex7d5773b

131430203 has 2 divisors, whose sum is σ = 131430204. Its totient is φ = 131430202.

The previous prime is 131430197. The next prime is 131430209. The reversal of 131430203 is 302034131.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (131430197) and next prime (131430209).

It is a cyclic number.

It is not a de Polignac number, because 131430203 - 26 = 131430139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131430209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65715101 + 65715102.

It is an arithmetic number, because the mean of its divisors is an integer number (65715102).

Almost surely, 2131430203 is an apocalyptic number.

131430203 is a deficient number, since it is larger than the sum of its proper divisors (1).

131430203 is an equidigital number, since it uses as much as digits as its factorization.

131430203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 131430203 is about 11464.3012434252. The cubic root of 131430203 is about 508.4306532175.

Adding to 131430203 its reverse (302034131), we get a palindrome (433464334).

The spelling of 131430203 in words is "one hundred thirty-one million, four hundred thirty thousand, two hundred three".