1130311232 has 56 divisors (see below), whose sum is σ = 2384938080. Its totient is φ = 529664000.

The previous prime is 1130311229. The next prime is 1130311271. The reversal of 1130311232 is 2321130311.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1130311232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271019 + ... + 275157.

It is an arithmetic number, because the mean of its divisors is an integer number (42588180).

Almost surely, 2^1130311232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130311232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1192469040).

1130311232 is an abundant number, since it is smaller than the sum of its proper divisors (1254626848).

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

1130311232 is a wasteful number, since it uses less digits than its factorization.

1130311232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419 (or 4409 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1130311232 is about 33620.1016060333. The cubic root of 1130311232 is about 1041.6760548302.

Adding to 1130311232 its reverse (2321130311), we get a palindrome (3451441543).

The spelling of 1130311232 in words is "one billion, one hundred thirty million, three hundred eleven thousand, two hundred thirty-two".