1133131205 has 8 divisors (see below), whose sum is σ = 1373776152. Its totient is φ = 897159168.

The previous prime is 1133131199. The next prime is 1133131213. The reversal of 1133131205 is 5021313311.

It can be written as a sum of positive squares in 4 ways, for example, as 408929284 + 724201921 = 20222^2 + 26911^2 .

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 1133131205 - 2¹⁶ = 1133065669 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1167692 + ... + 1168661.

It is an arithmetic number, because the mean of its divisors is an integer number (171722019).

Almost surely, 2^1133131205 is an apocalyptic number.

It is an amenable number.

1133131205 is a deficient number, since it is larger than the sum of its proper divisors (240644947).

1133131205 is an equidigital number, since it uses as much as digits as its factorization.

1133131205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336455.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1133131205 is about 33662.0142742528. The cubic root of 1133131205 is about 1042.5416155006.

Adding to 1133131205 its reverse (5021313311), we get a palindrome (6154444516).

The spelling of 1133131205 in words is "one billion, one hundred thirty-three million, one hundred thirty-one thousand, two hundred five".