30220231312 has 40 divisors (see below), whose sum is σ = 59187997440. Its totient is φ = 14946247680.

The previous prime is 30220231297. The next prime is 30220231313. The reversal of 30220231312 is 21313202203.

It is a self number, because there is not a number n which added to its sum of digits gives 30220231312.

It is not an unprimeable number, because it can be changed into a prime (30220231313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1491264 + ... + 1511392.

It is an arithmetic number, because the mean of its divisors is an integer number (1479699936).

Almost surely, 2^30220231312 is an apocalyptic number.

It is an amenable number.

30220231312 is a deficient number, since it is larger than the sum of its proper divisors (28967766128).

30220231312 is a wasteful number, since it uses less digits than its factorization.

30220231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21151 (or 21145 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30220231312 its reverse (21313202203), we get a palindrome (51533433515).

The spelling of 30220231312 in words is "thirty billion, two hundred twenty million, two hundred thirty-one thousand, three hundred twelve".