1131433230 has 32 divisors (see below), whose sum is σ = 2724028704. Its totient is φ = 300761216.

The previous prime is 1131433229. The next prime is 1131433291. The reversal of 1131433230 is 323341311.

It is a junction number, because it is equal to n+sod(n) for n = 1131433197 and 1131433206.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 49977 + ... + 68996.

It is an arithmetic number, because the mean of its divisors is an integer number (85125897).

Almost surely, 2^1131433230 is an apocalyptic number.

1131433230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131433230 is an abundant number, since it is smaller than the sum of its proper divisors (1592595474).

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

1131433230 is a wasteful number, since it uses less digits than its factorization.

1131433230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119300.

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

The square root of 1131433230 is about 33636.7838831241. The cubic root of 1131433230 is about 1042.0206124203.

Adding to 1131433230 its reverse (323341311), we get a palindrome (1454774541).

It can be divided in two parts, 11314 and 33230, that added together give a palindrome (44544).

The spelling of 1131433230 in words is "one billion, one hundred thirty-one million, four hundred thirty-three thousand, two hundred thirty".