11103320331 has 24 divisors (see below), whose sum is σ = 16444065456. Its totient is φ = 7215183360.

The previous prime is 11103320329. The next prime is 11103320341. The reversal of 11103320331 is 13302330111.

It is a happy number.

11103320331 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 332 + 0 + 331 = 666.

It is not a de Polignac number, because 11103320331 - 2¹ = 11103320329 is a prime.

It is a super-2 number, since 2×11103320331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11103320341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416211 + ... + 442083.

It is an arithmetic number, because the mean of its divisors is an integer number (685169394).

Almost surely, 2^11103320331 is an apocalyptic number.

11103320331 is a deficient number, since it is larger than the sum of its proper divisors (5340745125).

11103320331 is a wasteful number, since it uses less digits than its factorization.

11103320331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27083 (or 27080 counting only the distinct ones).

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

Adding to 11103320331 its reverse (13302330111), we get a palindrome (24405650442).

The spelling of 11103320331 in words is "eleven billion, one hundred three million, three hundred twenty thousand, three hundred thirty-one".