1130231442 has 48 divisors (see below), whose sum is σ = 2375472960. Its totient is φ = 358075872.

The previous prime is 1130231441. The next prime is 1130231447. The reversal of 1130231442 is 2441320311.

It is a super-2 number, since 2×1130231442² = 2554846224970798728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130231441) 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 23 ways as a sum of consecutive naturals, for example, 780363 + ... + 781809.

It is an arithmetic number, because the mean of its divisors is an integer number (49489020).

Almost surely, 2^1130231442 is an apocalyptic number.

1130231442 is an abundant number, since it is smaller than the sum of its proper divisors (1245241518).

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

1130231442 is a wasteful number, since it uses less digits than its factorization.

1130231442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615 (or 1548 counting only the distinct ones).

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

The square root of 1130231442 is about 33618.9149438229. The cubic root of 1130231442 is about 1041.6515432073.

Adding to 1130231442 its reverse (2441320311), we get a palindrome (3571551753).

The spelling of 1130231442 in words is "one billion, one hundred thirty million, two hundred thirty-one thousand, four hundred forty-two".