30120313230 has 144 divisors (see below), whose sum is σ = 91347800544. Its totient is φ = 6865810560.

The previous prime is 30120313229. The next prime is 30120313231. The reversal of 30120313230 is 3231302103.

30120313230 is a `hidden beast` number, since 3 + 0 + 120 + 313 + 230 = 666.

It is an interprime number because it is at equal distance from previous prime (30120313229) and next prime (30120313231).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120313231) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1635775 + ... + 1654085.

It is an arithmetic number, because the mean of its divisors is an integer number (634359726).

Almost surely, 2^30120313230 is an apocalyptic number.

30120313230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30120313230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45673900272).

30120313230 is an abundant number, since it is smaller than the sum of its proper divisors (61227487314).

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

30120313230 is a wasteful number, since it uses less digits than its factorization.

30120313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18711 (or 18701 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30120313230 its reverse (3231302103), we get a palindrome (33351615333).

The spelling of 30120313230 in words is "thirty billion, one hundred twenty million, three hundred thirteen thousand, two hundred thirty".