30312030112 has 96 divisors (see below), whose sum is σ = 74274278400. Its totient is φ = 11856734208.

The previous prime is 30312030103. The next prime is 30312030121. The reversal of 30312030112 is 21103021303.

It is an interprime number because it is at equal distance from previous prime (30312030103) and next prime (30312030121).

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 200689 + ... + 317647.

It is an arithmetic number, because the mean of its divisors is an integer number (773690400).

Almost surely, 2^30312030112 is an apocalyptic number.

30312030112 is a gapful number since it is divisible by the number (32) 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 30312030112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37137139200).

30312030112 is an abundant number, since it is smaller than the sum of its proper divisors (43962248288).

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

30312030112 is a wasteful number, since it uses less digits than its factorization.

30312030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117078 (or 117070 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30312030112 its reverse (21103021303), we get a palindrome (51415051415).

The spelling of 30312030112 in words is "thirty billion, three hundred twelve million, thirty thousand, one hundred twelve".