1131233230 has 16 divisors (see below), whose sum is σ = 2036611584. Its totient is φ = 452406240.

The previous prime is 1131233209. The next prime is 1131233237. The reversal of 1131233230 is 323321311.

It is a junction number, because it is equal to n+sod(n) for n = 1131233198 and 1131233207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131233237) 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, 79219 + ... + 92401.

It is an arithmetic number, because the mean of its divisors is an integer number (127288224).

Almost surely, 2^1131233230 is an apocalyptic number.

1131233230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131233230 is a deficient number, since it is larger than the sum of its proper divisors (905378354).

1131233230 is a wasteful number, since it uses less digits than its factorization.

1131233230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21771.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1131233230 is about 33633.8108159037. The cubic root of 1131233230 is about 1041.9592105341.

Adding to 1131233230 its reverse (323321311), we get a palindrome (1454554541).

The spelling of 1131233230 in words is "one billion, one hundred thirty-one million, two hundred thirty-three thousand, two hundred thirty".