1131322230 has 24 divisors (see below), whose sum is σ = 2941438032. Its totient is φ = 301685904.

The previous prime is 1131322177. The next prime is 1131322253. The reversal of 1131322230 is 322231311.

1131322230 is a `hidden beast` number, since 113 + 1 + 322 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6285034 + ... + 6285213.

It is an arithmetic number, because the mean of its divisors is an integer number (122559918).

Almost surely, 2^1131322230 is an apocalyptic number.

1131322230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131322230 is an abundant number, since it is smaller than the sum of its proper divisors (1810115802).

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

1131322230 is a wasteful number, since it uses less digits than its factorization.

1131322230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12570260 (or 12570257 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1131322230 is about 33635.1338632686. The cubic root of 1131322230 is about 1041.9865352671.

Adding to 1131322230 its reverse (322231311), we get a palindrome (1453553541).

The spelling of 1131322230 in words is "one billion, one hundred thirty-one million, three hundred twenty-two thousand, two hundred thirty".