30312223112 has 16 divisors (see below), whose sum is σ = 59306523840. Its totient is φ = 14497150096.

The previous prime is 30312223093. The next prime is 30312223127. The reversal of 30312223112 is 21132221303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82369988 + ... + 82370355.

It is an arithmetic number, because the mean of its divisors is an integer number (3706657740).

Almost surely, 2^30312223112 is an apocalyptic number.

It is an amenable number.

30312223112 is a deficient number, since it is larger than the sum of its proper divisors (28994300728).

30312223112 is a wasteful number, since it uses less digits than its factorization.

30312223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164740372 (or 164740368 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30312223112 its reverse (21132221303), we get a palindrome (51444444415).

The spelling of 30312223112 in words is "thirty billion, three hundred twelve million, two hundred twenty-three thousand, one hundred twelve".