36520131531 has 8 divisors (see below), whose sum is σ = 52439163280. Its totient is φ = 22473927072.

The previous prime is 36520131517. The next prime is 36520131533. The reversal of 36520131531 is 13513102563.

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

It is not a de Polignac number, because 36520131531 - 2⁹ = 36520131019 is a prime.

It is a super-2 number, since 2×36520131531² (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 (36520131533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468206776 + ... + 468206853.

It is an arithmetic number, because the mean of its divisors is an integer number (6554895410).

Almost surely, 2^36520131531 is an apocalyptic number.

36520131531 is a deficient number, since it is larger than the sum of its proper divisors (15919031749).

36520131531 is a wasteful number, since it uses less digits than its factorization.

36520131531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936413645.

The product of its (nonzero) digits is 8100, while the sum is 30.

The spelling of 36520131531 in words is "thirty-six billion, five hundred twenty million, one hundred thirty-one thousand, five hundred thirty-one".