1130442231 has 8 divisors (see below), whose sum is σ = 1508754160. Its totient is φ = 752879232.

The previous prime is 1130442227. The next prime is 1130442239. The reversal of 1130442231 is 1322440311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1130442231 - 2² = 1130442227 is a prime.

It is a super-3 number, since 3×1130442231³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130442198 and 1130442207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130442239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183700 + ... + 189753.

It is an arithmetic number, because the mean of its divisors is an integer number (188594270).

Almost surely, 2^1130442231 is an apocalyptic number.

1130442231 is a deficient number, since it is larger than the sum of its proper divisors (378311929).

1130442231 is a wasteful number, since it uses less digits than its factorization.

1130442231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374465.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1130442231 is about 33622.0497739207. The cubic root of 1130442231 is about 1041.7162954431.

Adding to 1130442231 its reverse (1322440311), we get a palindrome (2452882542).

It can be divided in two parts, 11304 and 42231, that added together give a palindrome (53535).

The spelling of 1130442231 in words is "one billion, one hundred thirty million, four hundred forty-two thousand, two hundred thirty-one".