36321131 has 8 divisors (see below), whose sum is σ = 45283584. Its totient is φ = 28302120.

The previous prime is 36321101. The next prime is 36321151. The reversal of 36321131 is 13112363.

It is a happy number.

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

It is not a de Polignac number, because 36321131 - 2⁶ = 36321067 is a prime.

It is a super-2 number, since 2×36321131² = 2638449114238322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36321101) 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, 235775 + ... + 235928.

It is an arithmetic number, because the mean of its divisors is an integer number (5660448).

Almost surely, 2^36321131 is an apocalyptic number.

36321131 is a deficient number, since it is larger than the sum of its proper divisors (8962453).

36321131 is a wasteful number, since it uses less digits than its factorization.

36321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471721.

The product of its digits is 324, while the sum is 20.

The square root of 36321131 is about 6026.7015024804. The cubic root of 36321131 is about 331.1716265990.

Adding to 36321131 its reverse (13112363), we get a palindrome (49433494).

The spelling of 36321131 in words is "thirty-six million, three hundred twenty-one thousand, one hundred thirty-one".