1131331105 has 8 divisors (see below), whose sum is σ = 1358683200. Its totient is φ = 904340976.

The previous prime is 1131331099. The next prime is 1131331133. The reversal of 1131331105 is 5011331311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131331105 - 2⁵ = 1131331073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83565 + ... + 96154.

It is an arithmetic number, because the mean of its divisors is an integer number (169835400).

Almost surely, 2^1131331105 is an apocalyptic number.

It is an amenable number.

1131331105 is a deficient number, since it is larger than the sum of its proper divisors (227352095).

1131331105 is a wasteful number, since it uses less digits than its factorization.

1131331105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180983.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 1131331105 is about 33635.2657935091. The cubic root of 1131331105 is about 1041.9892599863.

Adding to 1131331105 its reverse (5011331311), we get a palindrome (6142662416).

The spelling of 1131331105 in words is "one billion, one hundred thirty-one million, three hundred thirty-one thousand, one hundred five".