3231250040000 has 140 divisors (see below), whose sum is σ = 8025210648048. Its totient is φ = 1290441600000.

The previous prime is 3231250039993. The next prime is 3231250040009. The reversal of 3231250040000 is 400521323.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (3231250040009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25175990 + ... + 25304010.

Almost surely, 2^{3231250040000} 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 3231250040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4012605324024).

3231250040000 is an abundant number, since it is smaller than the sum of its proper divisors (4793960608048).

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

3231250040000 is an equidigital number, since it uses as much as digits as its factorization.

3231250040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128684 (or 128659 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 3231250040000 its reverse (400521323), we get a palindrome (3231650561323).

The spelling of 3231250040000 in words is "three trillion, two hundred thirty-one billion, two hundred fifty million, forty thousand".