11321003331 has 36 divisors (see below), whose sum is σ = 18460159536. Its totient is φ = 6675752160.

The previous prime is 11321003327. The next prime is 11321003381. The reversal of 11321003331 is 13330012311.

It is a happy number.

11321003331 is a `hidden beast` number, since 11 + 321 + 0 + 0 + 3 + 331 = 666.

It is not a de Polignac number, because 11321003331 - 2² = 11321003327 is a prime.

It is a super-2 number, since 2×11321003331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11321003381) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 100191 + ... + 180776.

Almost surely, 2^11321003331 is an apocalyptic number.

11321003331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11321003331 is a deficient number, since it is larger than the sum of its proper divisors (7139156205).

11321003331 is a wasteful number, since it uses less digits than its factorization.

11321003331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281032 (or 281018 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11321003331 its reverse (13330012311), we get a palindrome (24651015642).

The spelling of 11321003331 in words is "eleven billion, three hundred twenty-one million, three thousand, three hundred thirty-one".