65380131 has 12 divisors (see below), whose sum is σ = 95065360. Its totient is φ = 43297200.

The previous prime is 65380109. The next prime is 65380193. The reversal of 65380131 is 13108356.

65380131 is a `hidden beast` number, since 653 + 8 + 0 + 1 + 3 + 1 = 666.

It is not a de Polignac number, because 65380131 - 2⁶ = 65380067 is a prime.

It is a super-2 number, since 2×65380131² = 8549123059154322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65380095 and 65380104.

It is not an unprimeable number, because it can be changed into a prime (65380831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22696 + ... + 25413.

Almost surely, 2^65380131 is an apocalyptic number.

65380131 is a deficient number, since it is larger than the sum of its proper divisors (29685229).

65380131 is a wasteful number, since it uses less digits than its factorization.

65380131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48266 (or 48263 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 65380131 is about 8085.7981053202. The cubic root of 65380131 is about 402.8548490352.

Adding to 65380131 its reverse (13108356), we get a palindrome (78488487).

The spelling of 65380131 in words is "sixty-five million, three hundred eighty thousand, one hundred thirty-one".