30105310000 has 100 divisors (see below), whose sum is σ = 76724659000. Its totient is φ = 11408256000.

The previous prime is 30105309977. The next prime is 30105310003. The reversal of 30105310000 is 1350103.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×30105310000² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30105310003) 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, 110776 + ... + 269224.

It is an arithmetic number, because the mean of its divisors is an integer number (767246590).

Almost surely, 2^30105310000 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 30105310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38362329500).

30105310000 is an abundant number, since it is smaller than the sum of its proper divisors (46619349000).

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

30105310000 is a wasteful number, since it uses less digits than its factorization.

30105310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158496 (or 158475 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 13.

Adding to 30105310000 its reverse (1350103), we get a palindrome (30106660103).

The spelling of 30105310000 in words is "thirty billion, one hundred five million, three hundred ten thousand".