11103110331 has 32 divisors (see below), whose sum is σ = 15395016000. Its totient is φ = 7112240640.

The previous prime is 11103110327. The next prime is 11103110341. The reversal of 11103110331 is 13301130111.

It is not a de Polignac number, because 11103110331 - 2² = 11103110327 is a prime.

It is a super-2 number, since 2×11103110331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11103110331.

It is not an unprimeable number, because it can be changed into a prime (11103110341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2991705 + ... + 2995413.

It is an arithmetic number, because the mean of its divisors is an integer number (481094250).

Almost surely, 2^11103110331 is an apocalyptic number.

11103110331 is a deficient number, since it is larger than the sum of its proper divisors (4291905669).

11103110331 is a wasteful number, since it uses less digits than its factorization.

11103110331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079.

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 11103110331 its reverse (13301130111), we get a palindrome (24404240442).

The spelling of 11103110331 in words is "eleven billion, one hundred three million, one hundred ten thousand, three hundred thirty-one".