30120310110 has 128 divisors (see below), whose sum is σ = 80996267520. Its totient is φ = 7105075200.

The previous prime is 30120310037. The next prime is 30120310111. The reversal of 30120310110 is 1101302103.

It is a super-2 number, since 2×30120310110² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120310111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5531049 + ... + 5536491.

It is an arithmetic number, because the mean of its divisors is an integer number (632783340).

Almost surely, 2^30120310110 is an apocalyptic number.

30120310110 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 30120310110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40498133760).

30120310110 is an abundant number, since it is smaller than the sum of its proper divisors (50875957410).

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

30120310110 is a wasteful number, since it uses less digits than its factorization.

30120310110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5914.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 30120310110 its reverse (1101302103), we get a palindrome (31221612213).

The spelling of 30120310110 in words is "thirty billion, one hundred twenty million, three hundred ten thousand, one hundred ten".