30310134152220 has 144 divisors (see below), whose sum is σ = 99068837736960. Its totient is φ = 7456756451328.

The previous prime is 30310134152213. The next prime is 30310134152273. The reversal of 30310134152220 is 2225143101303.

30310134152220 is a `hidden beast` number, since 3 + 0 + 3 + 1 + 0 + 134 + 1 + 522 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 513541 + ... + 7802819.

It is an arithmetic number, because the mean of its divisors is an integer number (687978039840).

Almost surely, 2^{30310134152220} is an apocalyptic number.

30310134152220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30310134152220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49534418868480).

30310134152220 is an abundant number, since it is smaller than the sum of its proper divisors (68758703584740).

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

30310134152220 is a wasteful number, since it uses less digits than its factorization.

30310134152220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7291084 (or 7291079 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 30310134152220 its reverse (2225143101303), we get a palindrome (32535277253523).

The spelling of 30310134152220 in words is "thirty trillion, three hundred ten billion, one hundred thirty-four million, one hundred fifty-two thousand, two hundred twenty".