65316311 has 2 divisors, whose sum is σ = 65316312. Its totient is φ = 65316310.

The previous prime is 65316289. The next prime is 65316337. The reversal of 65316311 is 11361356.

It is an a-pointer prime, because the next prime (65316337) can be obtained adding 65316311 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65316311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65316341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32658155 + 32658156.

It is an arithmetic number, because the mean of its divisors is an integer number (32658156).

Almost surely, 2^65316311 is an apocalyptic number.

65316311 is a deficient number, since it is larger than the sum of its proper divisors (1).

65316311 is an equidigital number, since it uses as much as digits as its factorization.

65316311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 26.

The square root of 65316311 is about 8081.8507162654. The cubic root of 65316311 is about 402.7237257812.

Adding to 65316311 its reverse (11361356), we get a palindrome (76677667).

The spelling of 65316311 in words is "sixty-five million, three hundred sixteen thousand, three hundred eleven".