11013113331 has 12 divisors (see below), whose sum is σ = 17353996920. Its totient is φ = 6674614080.

The previous prime is 11013113327. The next prime is 11013113357. The reversal of 11013113331 is 13331131011.

It is not a de Polignac number, because 11013113331 - 2² = 11013113327 is a prime.

It is a super-2 number, since 2×11013113331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11013113131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55621686 + ... + 55621883.

It is an arithmetic number, because the mean of its divisors is an integer number (1446166410).

Almost surely, 2^11013113331 is an apocalyptic number.

11013113331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11013113331 is a deficient number, since it is larger than the sum of its proper divisors (6340883589).

11013113331 is a wasteful number, since it uses less digits than its factorization.

11013113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111243586 (or 111243583 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 11013113331 its reverse (13331131011), we get a palindrome (24344244342).

The spelling of 11013113331 in words is "eleven billion, thirteen million, one hundred thirteen thousand, three hundred thirty-one".