30220322312 has 64 divisors (see below), whose sum is σ = 58969859760. Its totient is φ = 14508544000.

The previous prime is 30220322309. The next prime is 30220322351. The reversal of 30220322312 is 21322302203.

It can be written as a sum of positive squares in 8 ways, for example, as 22298254276 + 7922068036 = 149326^2 + 89006^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5728508 + ... + 5733780.

Almost surely, 2^30220322312 is an apocalyptic number.

It is an amenable number.

30220322312 is a deficient number, since it is larger than the sum of its proper divisors (28749537448).

30220322312 is a wasteful number, since it uses less digits than its factorization.

30220322312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594 (or 5590 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30220322312 its reverse (21322302203), we get a palindrome (51542624515).

The spelling of 30220322312 in words is "thirty billion, two hundred twenty million, three hundred twenty-two thousand, three hundred twelve".