30311303032212 has 24 divisors (see below), whose sum is σ = 72637897357536. Its totient is φ = 9830692875168.

The previous prime is 30311303032183. The next prime is 30311303032261. The reversal of 30311303032212 is 21223030311303.

It is a super-2 number, since 2×30311303032212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34134349818 + ... + 34134350705.

It is an arithmetic number, because the mean of its divisors is an integer number (3026579056564).

Almost surely, 2^{30311303032212} is an apocalyptic number.

It is an amenable number.

30311303032212 is an abundant number, since it is smaller than the sum of its proper divisors (42326594325324).

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

30311303032212 is a wasteful number, since it uses less digits than its factorization.

30311303032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68268700567 (or 68268700565 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 30311303032212 its reverse (21223030311303), we get a palindrome (51534333343515).

The spelling of 30311303032212 in words is "thirty trillion, three hundred eleven billion, three hundred three million, thirty-two thousand, two hundred twelve".