1131517230 has 32 divisors (see below), whose sum is σ = 2721973248. Its totient is φ = 301034400.

The previous prime is 1131517217. The next prime is 1131517249. The reversal of 1131517230 is 327151311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131517230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30826 + ... + 56685.

It is an arithmetic number, because the mean of its divisors is an integer number (85061664).

Almost surely, 2^1131517230 is an apocalyptic number.

1131517230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131517230 is an abundant number, since it is smaller than the sum of its proper divisors (1590456018).

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

1131517230 is a wasteful number, since it uses less digits than its factorization.

1131517230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87952.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 1131517230 is about 33638.0324929982. The cubic root of 1131517230 is about 1042.0463990548.

Adding to 1131517230 its reverse (327151311), we get a palindrome (1458668541).

The spelling of 1131517230 in words is "one billion, one hundred thirty-one million, five hundred seventeen thousand, two hundred thirty".