1105131233 has 4 divisors (see below), whose sum is σ = 1105329408. Its totient is φ = 1104933060.

The previous prime is 1105131229. The next prime is 1105131239. The reversal of 1105131233 is 3321315011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1105131233 - 2² = 1105131229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105131239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90473 + ... + 101958.

It is an arithmetic number, because the mean of its divisors is an integer number (276332352).

Almost surely, 2^1105131233 is an apocalyptic number.

It is an amenable number.

1105131233 is a deficient number, since it is larger than the sum of its proper divisors (198175).

1105131233 is an equidigital number, since it uses as much as digits as its factorization.

1105131233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198174.

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

The square root of 1105131233 is about 33243.5141493796. The cubic root of 1105131233 is about 1033.8827381436.

Adding to 1105131233 its reverse (3321315011), we get a palindrome (4426446244).

The spelling of 1105131233 in words is "one billion, one hundred five million, one hundred thirty-one thousand, two hundred thirty-three".