65311462312 has 8 divisors (see below), whose sum is σ = 122458991850. Its totient is φ = 32655731152.

The previous prime is 65311462303. The next prime is 65311462441. The reversal of 65311462312 is 21326411356.

It can be written as a sum of positive squares in only one way, i.e., 42747216516 + 22564245796 = 206754^2 + 150214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081966387 + ... + 4081966402.

Almost surely, 2^65311462312 is an apocalyptic number.

It is an amenable number.

65311462312 is a deficient number, since it is larger than the sum of its proper divisors (57147529538).

65311462312 is a wasteful number, since it uses less digits than its factorization.

65311462312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163932795 (or 8163932791 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

Adding to 65311462312 its reverse (21326411356), we get a palindrome (86637873668).

The spelling of 65311462312 in words is "sixty-five billion, three hundred eleven million, four hundred sixty-two thousand, three hundred twelve".