30011321001020 has 96 divisors (see below), whose sum is σ = 67134785222400. Its totient is φ = 11237377536000.

The previous prime is 30011321001017. The next prime is 30011321001023. The reversal of 30011321001020 is 2010012311003.

It is an interprime number because it is at equal distance from previous prime (30011321001017) and next prime (30011321001023).

It is a junction number, because it is equal to n+sod(n) for n = 30011321000986 and 30011321001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30011321001023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9798620 + ... + 12491420.

It is an arithmetic number, because the mean of its divisors is an integer number (699320679400).

Almost surely, 2^{30011321001020} 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 30011321001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33567392611200).

30011321001020 is an abundant number, since it is smaller than the sum of its proper divisors (37123464221380).

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

30011321001020 is a wasteful number, since it uses less digits than its factorization.

30011321001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693179 (or 2693177 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30011321001020 its reverse (2010012311003), we get a palindrome (32021333312023).

The spelling of 30011321001020 in words is "thirty trillion, eleven billion, three hundred twenty-one million, one thousand, twenty".