36380587131 has 20 divisors (see below), whose sum is σ = 62110068592. Its totient is φ = 20788906608.

The previous prime is 36380587127. The next prime is 36380587151. The reversal of 36380587131 is 13178508363.

36380587131 is a `hidden beast` number, since 3 + 6 + 38 + 0 + 587 + 1 + 31 = 666.

It is not a de Polignac number, because 36380587131 - 2² = 36380587127 is a prime.

It is a super-2 number, since 2×36380587131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36380587151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32081080 + ... + 32082213.

Almost surely, 2^36380587131 is an apocalyptic number.

36380587131 is a deficient number, since it is larger than the sum of its proper divisors (25729481461).

36380587131 is an equidigital number, since it uses as much as digits as its factorization.

36380587131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64163312 (or 64163303 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 36380587131 in words is "thirty-six billion, three hundred eighty million, five hundred eighty-seven thousand, one hundred thirty-one".