131043251 has 2 divisors, whose sum is σ = 131043252. Its totient is φ = 131043250.

The previous prime is 131043229. The next prime is 131043287. The reversal of 131043251 is 152340131.

It is a weak prime.

It is an emirp because it is prime and its reverse (152340131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131043251 - 2²² = 126848947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131043151) 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, 65521625 + 65521626.

It is an arithmetic number, because the mean of its divisors is an integer number (65521626).

Almost surely, 2^131043251 is an apocalyptic number.

131043251 is a deficient number, since it is larger than the sum of its proper divisors (1).

131043251 is an equidigital number, since it uses as much as digits as its factorization.

131043251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 131043251 is about 11447.4124150395. The cubic root of 131043251 is about 507.9311950854.

Adding to 131043251 its reverse (152340131), we get a palindrome (283383382).

The spelling of 131043251 in words is "one hundred thirty-one million, forty-three thousand, two hundred fifty-one".