30303001302320 has 80 divisors (see below), whose sum is σ = 71989450237440. Its totient is φ = 11857376923392.

The previous prime is 30303001302311. The next prime is 30303001302359. The reversal of 30303001302320 is 2320310030303.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a junction number, because it is equal to n+sod(n) for n = 30303001302292 and 30303001302301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5519471 + ... + 9543089.

It is an arithmetic number, because the mean of its divisors is an integer number (899868127968).

Almost surely, 2^{30303001302320} 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 30303001302320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35994725118720).

30303001302320 is an abundant number, since it is smaller than the sum of its proper divisors (41686448935120).

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

30303001302320 is a wasteful number, since it uses less digits than its factorization.

30303001302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025682 (or 4025676 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30303001302320 its reverse (2320310030303), we get a palindrome (32623311332623).

The spelling of 30303001302320 in words is "thirty trillion, three hundred three billion, one million, three hundred two thousand, three hundred twenty".