1131433133 has 8 divisors (see below), whose sum is σ = 1168317696. Its totient is φ = 1094572800.

The previous prime is 1131433117. The next prime is 1131433169. The reversal of 1131433133 is 3313341311.

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

It is not a de Polignac number, because 1131433133 - 2⁴ = 1131433117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131433099 and 1131433108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131430133) 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, 181478 + ... + 187608.

It is an arithmetic number, because the mean of its divisors is an integer number (146039712).

Almost surely, 2^1131433133 is an apocalyptic number.

It is an amenable number.

1131433133 is a deficient number, since it is larger than the sum of its proper divisors (36884563).

1131433133 is an equidigital number, since it uses as much as digits as its factorization.

1131433133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12115.

The product of its digits is 972, while the sum is 23.

The square root of 1131433133 is about 33636.7824412502. The cubic root of 1131433133 is about 1042.0205826422.

Adding to 1131433133 its reverse (3313341311), we get a palindrome (4444774444).

The spelling of 1131433133 in words is "one billion, one hundred thirty-one million, four hundred thirty-three thousand, one hundred thirty-three".