30443101020 has 96 divisors (see below), whose sum is σ = 94789800000. Its totient is φ = 8111480832.

The previous prime is 30443100997. The next prime is 30443101021. The reversal of 30443101020 is 2010134403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30443100984 and 30443101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30443101021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651892 + ... + 697028.

It is an arithmetic number, because the mean of its divisors is an integer number (987393750).

Almost surely, 2^30443101020 is an apocalyptic number.

30443101020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30443101020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47394900000).

30443101020 is an abundant number, since it is smaller than the sum of its proper divisors (64346698980).

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

30443101020 is a wasteful number, since it uses less digits than its factorization.

30443101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46404 (or 46396 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30443101020 its reverse (2010134403), we get a palindrome (32453235423).

The spelling of 30443101020 in words is "thirty billion, four hundred forty-three million, one hundred one thousand, twenty".