30020322312 has 48 divisors (see below), whose sum is σ = 84108667500. Its totient is φ = 9661712256.

The previous prime is 30020322307. The next prime is 30020322317. The reversal of 30020322312 is 21322302003.

It is a happy number.

30020322312 is a `hidden beast` number, since 30 + 0 + 2 + 0 + 322 + 312 = 666.

It is an interprime number because it is at equal distance from previous prime (30020322307) and next prime (30020322317).

It can be written as a sum of positive squares in 2 ways, for example, as 27025387236 + 2994935076 = 164394^2 + 54726^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30020322317) 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 11 ways as a sum of consecutive naturals, for example, 7186687 + ... + 7190862.

Almost surely, 2^30020322312 is an apocalyptic number.

It is an amenable number.

30020322312 is an abundant number, since it is smaller than the sum of its proper divisors (54088345188).

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

30020322312 is a wasteful number, since it uses less digits than its factorization.

30020322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14377590 (or 14377583 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30020322312 its reverse (21322302003), we get a palindrome (51342624315).

The spelling of 30020322312 in words is "thirty billion, twenty million, three hundred twenty-two thousand, three hundred twelve".