65305131 has 8 divisors (see below), whose sum is σ = 87217104. Its totient is φ = 43464960.

The previous prime is 65305117. The next prime is 65305139. The reversal of 65305131 is 13150356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65305131 - 2⁶ = 65305067 is a prime.

It is a super-2 number, since 2×65305131² = 8529520269854322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65305139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15790 + ... + 19491.

It is an arithmetic number, because the mean of its divisors is an integer number (10902138).

Almost surely, 2^65305131 is an apocalyptic number.

65305131 is a deficient number, since it is larger than the sum of its proper divisors (21911973).

65305131 is a wasteful number, since it uses less digits than its factorization.

65305131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35901.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 65305131 is about 8081.1590134089. The cubic root of 65305131 is about 402.7007467933.

Adding to 65305131 its reverse (13150356), we get a palindrome (78455487).

The spelling of 65305131 in words is "sixty-five million, three hundred five thousand, one hundred thirty-one".