3231031040 has 72 divisors (see below), whose sum is σ = 7784598528. Its totient is φ = 1284853760.

The previous prime is 3231031039. The next prime is 3231031043. The reversal of 3231031040 is 401301323.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231031043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214145 + ... + 228735.

It is an arithmetic number, because the mean of its divisors is an integer number (108119424).

Almost surely, 2^3231031040 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 3231031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3892299264).

3231031040 is an abundant number, since it is smaller than the sum of its proper divisors (4553567488).

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

3231031040 is a wasteful number, since it uses less digits than its factorization.

3231031040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14785 (or 14771 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3231031040 is about 56842.1590019239. The cubic root of 3231031040 is about 1478.3605903302.

Adding to 3231031040 its reverse (401301323), we get a palindrome (3632332363).

The spelling of 3231031040 in words is "three billion, two hundred thirty-one million, thirty-one thousand, forty".