65111313 has 4 divisors (see below), whose sum is σ = 86815088. Its totient is φ = 43407540.

The previous prime is 65111303. The next prime is 65111329. The reversal of 65111313 is 31311156.

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 65111313 - 2⁵ = 65111281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65111313.

It is not an unprimeable number, because it can be changed into a prime (65111303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10851883 + ... + 10851888.

It is an arithmetic number, because the mean of its divisors is an integer number (21703772).

Almost surely, 2^65111313 is an apocalyptic number.

It is an amenable number.

65111313 is a deficient number, since it is larger than the sum of its proper divisors (21703775).

65111313 is a wasteful number, since it uses less digits than its factorization.

65111313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21703774.

The product of its digits is 270, while the sum is 21.

The square root of 65111313 is about 8069.1581345268. The cubic root of 65111313 is about 402.3019624263.

Adding to 65111313 its reverse (31311156), we get a palindrome (96422469).

The spelling of 65111313 in words is "sixty-five million, one hundred eleven thousand, three hundred thirteen".