30032031331220 has 24 divisors (see below), whose sum is σ = 63162677723208. Its totient is φ = 11994638832000.

The previous prime is 30032031331193. The next prime is 30032031331231. The reversal of 30032031331220 is 2213313023003.

It can be written as a sum of positive squares in 4 ways, for example, as 2765608912144 + 27266422419076 = 1663012^2 + 5221726^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135842731 + ... + 1135869170.

It is an arithmetic number, because the mean of its divisors is an integer number (2631778238467).

Almost surely, 2^{30032031331220} is an apocalyptic number.

It is an amenable number.

30032031331220 is an abundant number, since it is smaller than the sum of its proper divisors (33130646391988).

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

30032031331220 is a wasteful number, since it uses less digits than its factorization.

30032031331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271712571 (or 2271712569 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30032031331220 its reverse (2213313023003), we get a palindrome (32245344354223).

The spelling of 30032031331220 in words is "thirty trillion, thirty-two billion, thirty-one million, three hundred thirty-one thousand, two hundred twenty".