1131234303 has 8 divisors (see below), whose sum is σ = 1508468400. Its totient is φ = 754078208.

The previous prime is 1131234301. The next prime is 1131234311. The reversal of 1131234303 is 3034321311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131234303 - 2¹ = 1131234301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131234303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131234301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42553 + ... + 63821.

It is an arithmetic number, because the mean of its divisors is an integer number (188558550).

Almost surely, 2^1131234303 is an apocalyptic number.

1131234303 is a deficient number, since it is larger than the sum of its proper divisors (377234097).

1131234303 is a wasteful number, since it uses less digits than its factorization.

1131234303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39001.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1131234303 is about 33633.8267671105. The cubic root of 1131234303 is about 1041.9595399745.

Adding to 1131234303 its reverse (3034321311), we get a palindrome (4165555614).

The spelling of 1131234303 in words is "one billion, one hundred thirty-one million, two hundred thirty-four thousand, three hundred three".