3231045432 has 144 divisors (see below), whose sum is σ = 9597556800. Its totient is φ = 980766720.

The previous prime is 3231045427. The next prime is 3231045479. The reversal of 3231045432 is 2345401323.

It is a junction number, because it is equal to n+sod(n) for n = 3231045396 and 3231045405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 642544 + ... + 647552.

It is an arithmetic number, because the mean of its divisors is an integer number (66649700).

Almost surely, 2^3231045432 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 3231045432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4798778400).

3231045432 is an abundant number, since it is smaller than the sum of its proper divisors (6366511368).

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

3231045432 is a wasteful number, since it uses less digits than its factorization.

3231045432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086 (or 5062 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 3231045432 is about 56842.2855979596. The cubic root of 3231045432 is about 1478.3627853503.

Adding to 3231045432 its reverse (2345401323), we get a palindrome (5576446755).

The spelling of 3231045432 in words is "three billion, two hundred thirty-one million, forty-five thousand, four hundred thirty-two".