65314131 has 4 divisors (see below), whose sum is σ = 87085512. Its totient is φ = 43542752.

The previous prime is 65314129. The next prime is 65314141. The reversal of 65314131 is 13141356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65314131 - 2¹ = 65314129 is a prime.

It is a super-2 number, since 2×65314131² = 8531871416570322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65314141) 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, 10885686 + ... + 10885691.

It is an arithmetic number, because the mean of its divisors is an integer number (21771378).

Almost surely, 2^65314131 is an apocalyptic number.

65314131 is a deficient number, since it is larger than the sum of its proper divisors (21771381).

65314131 is a wasteful number, since it uses less digits than its factorization.

65314131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21771380.

The product of its digits is 1080, while the sum is 24.

The square root of 65314131 is about 8081.7158450418. The cubic root of 65314131 is about 402.7192452899.

Adding to 65314131 its reverse (13141356), we get a palindrome (78455487).

The spelling of 65314131 in words is "sixty-five million, three hundred fourteen thousand, one hundred thirty-one".