1133413331 has 4 divisors (see below), whose sum is σ = 1133627232. Its totient is φ = 1133199432.

The previous prime is 1133413313. The next prime is 1133413361. The reversal of 1133413331 is 1333143311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133413331 is a prime.

It is a super-2 number, since 2×1133413331² = 2569251557777031122, 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 = 1133413297 and 1133413306.

It is not an unprimeable number, because it can be changed into a prime (1133413361) 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, 98795 + ... + 109668.

It is an arithmetic number, because the mean of its divisors is an integer number (283406808).

Almost surely, 2^1133413331 is an apocalyptic number.

1133413331 is a deficient number, since it is larger than the sum of its proper divisors (213901).

1133413331 is an equidigital number, since it uses as much as digits as its factorization.

1133413331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213900.

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

The square root of 1133413331 is about 33666.2045826375. The cubic root of 1133413331 is about 1042.6281320156.

Adding to 1133413331 its reverse (1333143311), we get a palindrome (2466556642).

The spelling of 1133413331 in words is "one billion, one hundred thirty-three million, four hundred thirteen thousand, three hundred thirty-one".