1033231140 has 144 divisors (see below), whose sum is σ = 3362748480. Its totient is φ = 265991040.

The previous prime is 1033231103. The next prime is 1033231163. The reversal of 1033231140 is 411323301.

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

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 137275 + ... + 144605.

It is an arithmetic number, because the mean of its divisors is an integer number (23352420).

Almost surely, 2^1033231140 is an apocalyptic number.

1033231140 is a gapful number since it is divisible by the number (10) 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 1033231140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681374240).

1033231140 is an abundant number, since it is smaller than the sum of its proper divisors (2329517340).

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

1033231140 is a wasteful number, since it uses less digits than its factorization.

1033231140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7384 (or 7370 counting only the distinct ones).

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

The square root of 1033231140 is about 32143.9129540882. The cubic root of 1033231140 is about 1010.9565619847.

Adding to 1033231140 its reverse (411323301), we get a palindrome (1444554441).

The spelling of 1033231140 in words is "one billion, thirty-three million, two hundred thirty-one thousand, one hundred forty".