1131324535 has 8 divisors (see below), whose sum is σ = 1481006736. Its totient is φ = 822781440.

The previous prime is 1131324527. The next prime is 1131324563. The reversal of 1131324535 is 5354231311.

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 1131324535 - 2³ = 1131324527 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 10284714 + ... + 10284823.

It is an arithmetic number, because the mean of its divisors is an integer number (185125842).

Almost surely, 2^1131324535 is an apocalyptic number.

1131324535 is a deficient number, since it is larger than the sum of its proper divisors (349682201).

1131324535 is a wasteful number, since it uses less digits than its factorization.

1131324535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20569553.

The product of its digits is 5400, while the sum is 28.

The square root of 1131324535 is about 33635.1681280174. The cubic root of 1131324535 is about 1041.9872429279.

Adding to 1131324535 its reverse (5354231311), we get a palindrome (6485555846).

The spelling of 1131324535 in words is "one billion, one hundred thirty-one million, three hundred twenty-four thousand, five hundred thirty-five".