1133532331 has 8 divisors (see below), whose sum is σ = 1177208384. Its totient is φ = 1090643400.

The previous prime is 1133532313. The next prime is 1133532347. The reversal of 1133532331 is 1332353311.

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

It is a de Polignac number, because none of the positive numbers 2^k-1133532331 is a prime.

It is a super-2 number, since 2×1133532331² = 2569791090844587122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133532296 and 1133532305.

It is not an unprimeable number, because it can be changed into a prime (1133532031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193845 + ... + 199606.

It is an arithmetic number, because the mean of its divisors is an integer number (147151048).

Almost surely, 2^1133532331 is an apocalyptic number.

1133532331 is a deficient number, since it is larger than the sum of its proper divisors (43676053).

1133532331 is an equidigital number, since it uses as much as digits as its factorization.

1133532331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393561.

The product of its digits is 2430, while the sum is 25.

The square root of 1133532331 is about 33667.9718872403. The cubic root of 1133532331 is about 1042.6646201476.

Adding to 1133532331 its reverse (1332353311), we get a palindrome (2465885642).

The spelling of 1133532331 in words is "one billion, one hundred thirty-three million, five hundred thirty-two thousand, three hundred thirty-one".