3031231300000 has 144 divisors (see below), whose sum is σ = 7485807924504. Its totient is φ = 1208166400000.

The previous prime is 3031231299917. The next prime is 3031231300007. The reversal of 3031231300000 is 31321303.

It can be written as a sum of positive squares in 12 ways, for example, as 294019879696 + 2737211420304 = 542236^2 + 1654452^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (3031231300007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28046064 + ... + 28153936.

Almost surely, 2^{3031231300000} 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 3031231300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3742903962252).

3031231300000 is an abundant number, since it is smaller than the sum of its proper divisors (4454576624504).

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

3031231300000 is an equidigital number, since it uses as much as digits as its factorization.

3031231300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108189 (or 108161 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 3031231300000 its reverse (31321303), we get a palindrome (3031262621303).

The spelling of 3031231300000 in words is "three trillion, thirty-one billion, two hundred thirty-one million, three hundred thousand".