6431151241 has 2 divisors, whose sum is σ = 6431151242. Its totient is φ = 6431151240.

The previous prime is 6431151229. The next prime is 6431151269. The reversal of 6431151241 is 1421511346.

It is an a-pointer prime, because the next prime (6431151269) can be obtained adding 6431151241 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6093363600 + 337787641 = 78060^2 + 18379^2 .

It is a cyclic number.

It is not a de Polignac number, because 6431151241 - 2⁷ = 6431151113 is a prime.

It is not a weakly prime, because it can be changed into another prime (6431151941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215575620 + 3215575621.

It is an arithmetic number, because the mean of its divisors is an integer number (3215575621).

Almost surely, 2^6431151241 is an apocalyptic number.

It is an amenable number.

6431151241 is a deficient number, since it is larger than the sum of its proper divisors (1).

6431151241 is an equidigital number, since it uses as much as digits as its factorization.

6431151241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 6431151241 is about 80194.4589170598. The cubic root of 6431151241 is about 1859.6429770097.

Adding to 6431151241 its reverse (1421511346), we get a palindrome (7852662587).

The spelling of 6431151241 in words is "six billion, four hundred thirty-one million, one hundred fifty-one thousand, two hundred forty-one".