1100133331 has 6 divisors (see below), whose sum is σ = 1209237596. Its totient is φ = 1000121100.

The previous prime is 1100133329. The next prime is 1100133337. The reversal of 1100133331 is 1333310011.

It is not a de Polignac number, because 1100133331 - 2¹ = 1100133329 is a prime.

It is a super-2 number, since 2×1100133331² = 2420586691954311122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100133337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4545885 + ... + 4546126.

Almost surely, 2^1100133331 is an apocalyptic number.

1100133331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1100133331 is a deficient number, since it is larger than the sum of its proper divisors (109104265).

1100133331 is an equidigital number, since it uses as much as digits as its factorization.

1100133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092033 (or 9092022 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1100133331 is about 33168.2578831026. The cubic root of 1100133331 is about 1032.3218213290.

Adding to 1100133331 its reverse (1333310011), we get a palindrome (2433443342).

It can be divided in two parts, 1100 and 133331, that added together give a palindrome (134431).

The spelling of 1100133331 in words is "one billion, one hundred million, one hundred thirty-three thousand, three hundred thirty-one".