65224311313 has 4 divisors (see below), whose sum is σ = 74542070080. Its totient is φ = 55906552548.

The previous prime is 65224311311. The next prime is 65224311353. The reversal of 65224311313 is 31311342256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 65224311313 - 2¹ = 65224311311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65224311311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4658879373 + ... + 4658879386.

It is an arithmetic number, because the mean of its divisors is an integer number (18635517520).

Almost surely, 2^65224311313 is an apocalyptic number.

It is an amenable number.

65224311313 is a deficient number, since it is larger than the sum of its proper divisors (9317758767).

65224311313 is an equidigital number, since it uses as much as digits as its factorization.

65224311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9317758766.

The product of its digits is 12960, while the sum is 31.

Adding to 65224311313 its reverse (31311342256), we get a palindrome (96535653569).

The spelling of 65224311313 in words is "sixty-five billion, two hundred twenty-four million, three hundred eleven thousand, three hundred thirteen".