65043030131 has 2 divisors, whose sum is σ = 65043030132. Its totient is φ = 65043030130.

The previous prime is 65043030127. The next prime is 65043030139. The reversal of 65043030131 is 13103034056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65043030131 - 2² = 65043030127 is a prime.

It is a super-2 number, since 2×65043030131² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65043030131.

It is not a weakly prime, because it can be changed into another prime (65043030139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32521515065 + 32521515066.

It is an arithmetic number, because the mean of its divisors is an integer number (32521515066).

Almost surely, 2^65043030131 is an apocalyptic number.

65043030131 is a deficient number, since it is larger than the sum of its proper divisors (1).

65043030131 is an equidigital number, since it uses as much as digits as its factorization.

65043030131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 65043030131 its reverse (13103034056), we get a palindrome (78146064187).

The spelling of 65043030131 in words is "sixty-five billion, forty-three million, thirty thousand, one hundred thirty-one".