1131233300 has 18 divisors (see below), whose sum is σ = 2454776478. Its totient is φ = 452493280.

The previous prime is 1131233269. The next prime is 1131233351. The reversal of 1131233300 is 33321311.

It can be written as a sum of positive squares in 3 ways, for example, as 15272464 + 1115960836 = 3908^2 + 33406^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5656067 + ... + 5656266.

It is an arithmetic number, because the mean of its divisors is an integer number (136376471).

Almost surely, 2^1131233300 is an apocalyptic number.

1131233300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131233300 is an abundant number, since it is smaller than the sum of its proper divisors (1323543178).

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

1131233300 is a wasteful number, since it uses less digits than its factorization.

1131233300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11312347 (or 11312340 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1131233300 is about 33633.8118565232. The cubic root of 1131233300 is about 1041.9592320260.

Adding to 1131233300 its reverse (33321311), we get a palindrome (1164554611).

The spelling of 1131233300 in words is "one billion, one hundred thirty-one million, two hundred thirty-three thousand, three hundred".