1113612303 has 4 divisors (see below), whose sum is σ = 1484816408. Its totient is φ = 742408200.

The previous prime is 1113612263. The next prime is 1113612307. The reversal of 1113612303 is 3032163111.

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

It is not a de Polignac number, because 1113612303 - 2⁶ = 1113612239 is a prime.

It is a super-2 number, since 2×1113612303² = 2480264722785927618, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113612303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113612307) 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, 185602048 + ... + 185602053.

It is an arithmetic number, because the mean of its divisors is an integer number (371204102).

Almost surely, 2^1113612303 is an apocalyptic number.

1113612303 is a deficient number, since it is larger than the sum of its proper divisors (371204105).

1113612303 is an equidigital number, since it uses as much as digits as its factorization.

1113612303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371204104.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1113612303 is about 33370.8301215298. The cubic root of 1113612303 is about 1036.5207646918.

Adding to 1113612303 its reverse (3032163111), we get a palindrome (4145775414).

The spelling of 1113612303 in words is "one billion, one hundred thirteen million, six hundred twelve thousand, three hundred three".