30312442116 has 72 divisors (see below), whose sum is σ = 83615916384. Its totient is φ = 9182615040.

The previous prime is 30312442051. The next prime is 30312442117. The reversal of 30312442116 is 61124421303.

It is a happy number.

30312442116 is a `hidden beast` number, since 303 + 1 + 244 + 2 + 116 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 30312442116.

It is not an unprimeable number, because it can be changed into a prime (30312442117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1421751 + ... + 1442913.

It is an arithmetic number, because the mean of its divisors is an integer number (1161332172).

Almost surely, 2^30312442116 is an apocalyptic number.

30312442116 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30312442116 is an abundant number, since it is smaller than the sum of its proper divisors (53303474268).

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

30312442116 is a wasteful number, since it uses less digits than its factorization.

30312442116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24801 (or 24796 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 30312442116 its reverse (61124421303), we get a palindrome (91436863419).

The spelling of 30312442116 in words is "thirty billion, three hundred twelve million, four hundred forty-two thousand, one hundred sixteen".