30031034330020 has 12 divisors (see below), whose sum is σ = 63065172093084. Its totient is φ = 12012413732000.

The previous prime is 30031034329969. The next prime is 30031034330027. The reversal of 30031034330020 is 2003343013003.

It can be written as a sum of positive squares in 2 ways, for example, as 5449012513344 + 24582021816676 = 2334312^2 + 4958026^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30031034329973 and 30031034330000.

It is not an unprimeable number, because it can be changed into a prime (30031034330027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750775858231 + ... + 750775858270.

It is an arithmetic number, because the mean of its divisors is an integer number (5255431007757).

Almost surely, 2^{30031034330020} is an apocalyptic number.

It is an amenable number.

30031034330020 is an abundant number, since it is smaller than the sum of its proper divisors (33034137763064).

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

30031034330020 is a wasteful number, since it uses less digits than its factorization.

30031034330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501551716510 (or 1501551716508 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 30031034330020 its reverse (2003343013003), we get a palindrome (32034377343023).

The spelling of 30031034330020 in words is "thirty trillion, thirty-one billion, thirty-four million, three hundred thirty thousand, twenty".