11113202331 has 24 divisors (see below), whose sum is σ = 20013387264. Its totient is φ = 5773091760.

The previous prime is 11113202329. The next prime is 11113202351. The reversal of 11113202331 is 13320231111.

11113202331 is a `hidden beast` number, since 1 + 1 + 11 + 320 + 2 + 331 = 666.

It is not a de Polignac number, because 11113202331 - 2¹ = 11113202329 is a prime.

It is a super-2 number, since 2×11113202331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11113202351) 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, 8017491 + ... + 8018876.

It is an arithmetic number, because the mean of its divisors is an integer number (833891136).

Almost surely, 2^11113202331 is an apocalyptic number.

11113202331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11113202331 is a deficient number, since it is larger than the sum of its proper divisors (8900184933).

11113202331 is a wasteful number, since it uses less digits than its factorization.

11113202331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16036391 (or 16036388 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11113202331 its reverse (13320231111), we get a palindrome (24433433442).

It can be divided in two parts, 11113 and 202331, that added together give a square (213444 = 462²).

The spelling of 11113202331 in words is "eleven billion, one hundred thirteen million, two hundred two thousand, three hundred thirty-one".