1113311 has 4 divisors (see below), whose sum is σ = 1131624. Its totient is φ = 1095000.

The previous prime is 1113257. The next prime is 1113317. The reversal of 1113311 is 1133111.

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: 1133111 = 7 ⋅161873.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113311 is a prime.

It is a super-2 number, since 2×1113311² = 2478922765442, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1113292 and 1113301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9065 + ... + 9186.

It is an arithmetic number, because the mean of its divisors is an integer number (282906).

2^1113311 is an apocalyptic number.

1113311 is a deficient number, since it is larger than the sum of its proper divisors (18313).

1113311 is an equidigital number, since it uses as much as digits as its factorization.

1113311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18312.

The product of its digits is 9, while the sum is 11.

The square root of 1113311 is about 1055.1355363175. The cubic root of 1113311 is about 103.6427274649.

Adding to 1113311 its reverse (1133111), we get a palindrome (2246422).

The spelling of 1113311 in words is "one million, one hundred thirteen thousand, three hundred eleven".