11003113331 has 8 divisors (see below), whose sum is σ = 12589234944. Its totient is φ = 9420553800.

The previous prime is 11003113279. The next prime is 11003113333. The reversal of 11003113331 is 13331130011.

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

It is not a de Polignac number, because 11003113331 - 2¹⁸ = 11002851187 is a prime.

It is a super-2 number, since 2×11003113331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11003113333) 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, 883895 + ... + 896256.

It is an arithmetic number, because the mean of its divisors is an integer number (1573654368).

Almost surely, 2^11003113331 is an apocalyptic number.

11003113331 is a deficient number, since it is larger than the sum of its proper divisors (1586121613).

11003113331 is an equidigital number, since it uses as much as digits as its factorization.

11003113331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781041.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 11003113331 its reverse (13331130011), we get a palindrome (24334243342).

The spelling of 11003113331 in words is "eleven billion, three million, one hundred thirteen thousand, three hundred thirty-one".