1113331 has 4 divisors (see below), whose sum is σ = 1119664. Its totient is φ = 1107000.

The previous prime is 1113319. The next prime is 1113337. The reversal of 1113331 is 1333111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1333111 = 13 ⋅102547.

It is a cyclic number.

It is not a de Polignac number, because 1113331 - 2¹¹ = 1111283 is a prime.

It is a super-2 number, since 2×1113331² = 2479011831122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113337) 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 3 ways as a sum of consecutive naturals, for example, 2895 + ... + 3256.

It is an arithmetic number, because the mean of its divisors is an integer number (279916).

2^1113331 is an apocalyptic number.

1113331 is a deficient number, since it is larger than the sum of its proper divisors (6333).

1113331 is an equidigital number, since it uses as much as digits as its factorization.

1113331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6332.

The product of its digits is 27, while the sum is 13.

The square root of 1113331 is about 1055.1450137303. The cubic root of 1113331 is about 103.6433480887.

Adding to 1113331 its reverse (1333111), we get a palindrome (2446442).

It can be divided in two parts, 1113 and 331, that added together give a square (1444 = 38²).

The spelling of 1113331 in words is "one million, one hundred thirteen thousand, three hundred thirty-one".