30113403220 has 48 divisors (see below), whose sum is σ = 67076145360. Its totient is φ = 11316813824.

The previous prime is 30113403181. The next prime is 30113403241. The reversal of 30113403220 is 2230431103.

It can be written as a sum of positive squares in 8 ways, for example, as 1181434384 + 28931968836 = 34372^2 + 170094^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115632 + ... + 271288.

It is an arithmetic number, because the mean of its divisors is an integer number (1397419695).

Almost surely, 2^30113403220 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 30113403220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33538072680).

30113403220 is an abundant number, since it is smaller than the sum of its proper divisors (36962742140).

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

30113403220 is a wasteful number, since it uses less digits than its factorization.

30113403220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156252 (or 156250 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30113403220 its reverse (2230431103), we get a palindrome (32343834323).

The spelling of 30113403220 in words is "thirty billion, one hundred thirteen million, four hundred three thousand, two hundred twenty".