1133231219 has 4 divisors (see below), whose sum is σ = 1134967296. Its totient is φ = 1131495144.

The previous prime is 1133231201. The next prime is 1133231243. The reversal of 1133231219 is 9121323311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9121323311 = 103 ⋅88556537.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133231219 is a prime.

It is a super-2 number, since 2×1133231219² = 2568425991432451922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133231719) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 867059 + ... + 868364.

It is an arithmetic number, because the mean of its divisors is an integer number (283741824).

Almost surely, 2^1133231219 is an apocalyptic number.

1133231219 is a deficient number, since it is larger than the sum of its proper divisors (1736077).

1133231219 is an equidigital number, since it uses as much as digits as its factorization.

1133231219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736076.

The product of its digits is 972, while the sum is 26.

The square root of 1133231219 is about 33663.4998031993. The cubic root of 1133231219 is about 1042.5722873502.

The spelling of 1133231219 in words is "one billion, one hundred thirty-three million, two hundred thirty-one thousand, two hundred nineteen".