1131303234 has 8 divisors (see below), whose sum is σ = 2262606480. Its totient is φ = 377101076.

The previous prime is 1131303209. The next prime is 1131303247. The reversal of 1131303234 is 4323031311.

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

1131303234 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131303234.

It is an unprimeable number.

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, 94275264 + ... + 94275275.

It is an arithmetic number, because the mean of its divisors is an integer number (282825810).

Almost surely, 2^1131303234 is an apocalyptic number.

1131303234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131303234 is a wasteful number, since it uses less digits than its factorization.

1131303234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188550544.

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

The square root of 1131303234 is about 33634.8514787861. The cubic root of 1131303234 is about 1041.9807032455.

Adding to 1131303234 its reverse (4323031311), we get a palindrome (5454334545).

The spelling of 1131303234 in words is "one billion, one hundred thirty-one million, three hundred three thousand, two hundred thirty-four".