1113301231 has 4 divisors (see below), whose sum is σ = 1272344272. Its totient is φ = 954258192.

The previous prime is 1113301207. The next prime is 1113301351. The reversal of 1113301231 is 1321033111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1113301231 - 2²¹ = 1111204079 is a prime.

It is a super-2 number, since 2×1113301231² = 2478879261892230722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113301201) 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, 79521510 + ... + 79521523.

It is an arithmetic number, because the mean of its divisors is an integer number (318086068).

Almost surely, 2^1113301231 is an apocalyptic number.

1113301231 is a deficient number, since it is larger than the sum of its proper divisors (159043041).

1113301231 is an equidigital number, since it uses as much as digits as its factorization.

1113301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159043040.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1113301231 is about 33366.1689589920. The cubic root of 1113301231 is about 1036.4242431845.

Adding to 1113301231 its reverse (1321033111), we get a palindrome (2434334342).

The spelling of 1113301231 in words is "one billion, one hundred thirteen million, three hundred one thousand, two hundred thirty-one".