1113443331 has 96 divisors (see below), whose sum is σ = 2064943104. Its totient is φ = 518918400.

The previous prime is 1113443329. The next prime is 1113443341. The reversal of 1113443331 is 1333443111.

It is not a de Polignac number, because 1113443331 - 2¹ = 1113443329 is a prime.

It is a super-2 number, since 2×1113443331² = 2479512102696751122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1113443341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1221766 + ... + 1222676.

It is an arithmetic number, because the mean of its divisors is an integer number (21509824).

Almost surely, 2^1113443331 is an apocalyptic number.

1113443331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1113443331 is a deficient number, since it is larger than the sum of its proper divisors (951499773).

1113443331 is a wasteful number, since it uses less digits than its factorization.

1113443331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 982 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 1113443331 is about 33368.2982934401. The cubic root of 1113443331 is about 1036.4683371563.

Adding to 1113443331 its reverse (1333443111), we get a palindrome (2446886442).

It can be divided in two parts, 1113 and 443331, that added together give a palindrome (444444).

The spelling of 1113443331 in words is "one billion, one hundred thirteen million, four hundred forty-three thousand, three hundred thirty-one".