111343331 has 16 divisors (see below), whose sum is σ = 125024256. Its totient is φ = 98280000.

The previous prime is 111343303. The next prime is 111343333. The reversal of 111343331 is 133343111.

It is a cyclic number.

It is not a de Polignac number, because 111343331 - 2¹⁰ = 111342307 is a prime.

It is a super-2 number, since 2×111343331² = 24794674716351122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111343333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121766 + ... + 122676.

It is an arithmetic number, because the mean of its divisors is an integer number (7814016).

Almost surely, 2^111343331 is an apocalyptic number.

111343331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111343331 is a deficient number, since it is larger than the sum of its proper divisors (13680925).

111343331 is a wasteful number, since it uses less digits than its factorization.

111343331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234.

The product of its digits is 324, while the sum is 20.

The square root of 111343331 is about 10551.9349410428. The cubic root of 111343331 is about 481.0845427501.

Adding to 111343331 its reverse (133343111), we get a palindrome (244686442).

It can be divided in two parts, 1113 and 43331, that added together give a palindrome (44444).

The spelling of 111343331 in words is "one hundred eleven million, three hundred forty-three thousand, three hundred thirty-one".