1130232312 has 256 divisors, whose sum is σ = 3628800000. Its totient is φ = 322721280.

The previous prime is 1130232307. The next prime is 1130232343. The reversal of 1130232312 is 2132320311.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3238314 + ... + 3238662.

It is an arithmetic number, because the mean of its divisors is an integer number (14175000).

Almost surely, 2^1130232312 is an apocalyptic number.

1130232312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130232312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814400000).

1130232312 is an abundant number, since it is smaller than the sum of its proper divisors (2498567688).

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

1130232312 is a wasteful number, since it uses less digits than its factorization.

1130232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 441 counting only the distinct ones).

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

The square root of 1130232312 is about 33618.9278829650. The cubic root of 1130232312 is about 1041.6518104790.

Adding to 1130232312 its reverse (2132320311), we get a palindrome (3262552623).

The spelling of 1130232312 in words is "one billion, one hundred thirty million, two hundred thirty-two thousand, three hundred twelve".