30311323112 has 32 divisors (see below), whose sum is σ = 65735409600. Its totient is φ = 12834052224.

The previous prime is 30311323111. The next prime is 30311323117. The reversal of 30311323112 is 21132311303.

It is not an unprimeable number, because it can be changed into a prime (30311323111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3256037 + ... + 3265332.

It is an arithmetic number, because the mean of its divisors is an integer number (2054231550).

Almost surely, 2^30311323112 is an apocalyptic number.

It is an amenable number.

30311323112 is an abundant number, since it is smaller than the sum of its proper divisors (35424086488).

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

30311323112 is a wasteful number, since it uses less digits than its factorization.

30311323112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6521465 (or 6521461 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30311323112 its reverse (21132311303), we get a palindrome (51443634415).

The spelling of 30311323112 in words is "thirty billion, three hundred eleven million, three hundred twenty-three thousand, one hundred twelve".