30313231130000 has 300 divisors, whose sum is σ = 91940848807500. Its totient is φ = 9593635968000.

The previous prime is 30313231129967. The next prime is 30313231130003. The reversal of 30313231130000 is 3113231303.

30313231130000 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 10 ways, for example, as 30161492834704 + 151738295296 = 5491948^2 + 389536^2 .

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 (30313231130003) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3990626 + ... + 8749374.

It is an arithmetic number, because the mean of its divisors is an integer number (306469496025).

Almost surely, 2^{30313231130000} 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 30313231130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45970424403750).

30313231130000 is an abundant number, since it is smaller than the sum of its proper divisors (61627617677500).

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

30313231130000 is a wasteful number, since it uses less digits than its factorization.

30313231130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758804 (or 4758776 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 30313231130000 its reverse (3113231303), we get a palindrome (30316344361303).

The spelling of 30313231130000 in words is "thirty trillion, three hundred thirteen billion, two hundred thirty-one million, one hundred thirty thousand".