30001311312020 has 12 divisors (see below), whose sum is σ = 63002753755284. Its totient is φ = 12000524524800.

The previous prime is 30001311311981. The next prime is 30001311312073. The reversal of 30001311312020 is 2021311310003.

It can be written as a sum of positive squares in 2 ways, for example, as 9542081628676 + 20459229683344 = 3089026^2 + 4523188^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30001311312020.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 750032782781 + ... + 750032782820.

It is an arithmetic number, because the mean of its divisors is an integer number (5250229479607).

Almost surely, 2^{30001311312020} is an apocalyptic number.

It is an amenable number.

30001311312020 is an abundant number, since it is smaller than the sum of its proper divisors (33001442443264).

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

30001311312020 is a wasteful number, since it uses less digits than its factorization.

30001311312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500065565610 (or 1500065565608 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30001311312020 its reverse (2021311310003), we get a palindrome (32022622622023).

The spelling of 30001311312020 in words is "thirty trillion, one billion, three hundred eleven million, three hundred twelve thousand, twenty".