131014243 has 2 divisors, whose sum is σ = 131014244. Its totient is φ = 131014242.

The previous prime is 131014211. The next prime is 131014309. The reversal of 131014243 is 342410131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131014243 - 2⁵ = 131014211 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 131014243.

It is not a weakly prime, because it can be changed into another prime (131014843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65507121 + 65507122.

It is an arithmetic number, because the mean of its divisors is an integer number (65507122).

Almost surely, 2^131014243 is an apocalyptic number.

131014243 is a deficient number, since it is larger than the sum of its proper divisors (1).

131014243 is an equidigital number, since it uses as much as digits as its factorization.

131014243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131014243 is about 11446.1453336920. The cubic root of 131014243 is about 507.8937134262.

Adding to 131014243 its reverse (342410131), we get a palindrome (473424374).

The spelling of 131014243 in words is "one hundred thirty-one million, fourteen thousand, two hundred forty-three".