65242355271031 has 2 divisors, whose sum is σ = 65242355271032. Its totient is φ = 65242355271030.

The previous prime is 65242355271019. The next prime is 65242355271091. The reversal of 65242355271031 is 13017255324256.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65242355271031 - 2⁵ = 65242355270999 is a prime.

It is a super-2 number, since 2×65242355271031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65242355271001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32621177635515 + 32621177635516.

It is an arithmetic number, because the mean of its divisors is an integer number (32621177635516).

Almost surely, 2^{65242355271031} is an apocalyptic number.

65242355271031 is a deficient number, since it is larger than the sum of its proper divisors (1).

65242355271031 is an equidigital number, since it uses as much as digits as its factorization.

65242355271031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 65242355271031 in words is "sixty-five trillion, two hundred forty-two billion, three hundred fifty-five million, two hundred seventy-one thousand, thirty-one".