1031124432 has 120 divisors (see below), whose sum is σ = 2922729600. Its totient is φ = 313058304.

The previous prime is 1031124421. The next prime is 1031124469. The reversal of 1031124432 is 2344211301.

It is a junction number, because it is equal to n+sod(n) for n = 1031124399 and 1031124408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 640044 + ... + 641652.

It is an arithmetic number, because the mean of its divisors is an integer number (24356080).

Almost surely, 2^1031124432 is an apocalyptic number.

1031124432 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 1031124432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1461364800).

1031124432 is an abundant number, since it is smaller than the sum of its proper divisors (1891605168).

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

1031124432 is a wasteful number, since it uses less digits than its factorization.

1031124432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725 (or 1706 counting only the distinct ones).

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

The square root of 1031124432 is about 32111.1262960364. The cubic root of 1031124432 is about 1010.2689973960.

Adding to 1031124432 its reverse (2344211301), we get a palindrome (3375335733).

It can be divided in two parts, 10311 and 24432, that added together give a palindrome (34743).

The spelling of 1031124432 in words is "one billion, thirty-one million, one hundred twenty-four thousand, four hundred thirty-two".