30223010312 has 64 divisors (see below), whose sum is σ = 65789159040. Its totient is φ = 12863872000.

The previous prime is 30223010309. The next prime is 30223010317. The reversal of 30223010312 is 21301032203.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (30223010317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243437 + ... + 345987.

It is an arithmetic number, because the mean of its divisors is an integer number (1027955610).

Almost surely, 2^30223010312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30223010312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32894579520).

30223010312 is an abundant number, since it is smaller than the sum of its proper divisors (35566148728).

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

30223010312 is a wasteful number, since it uses less digits than its factorization.

30223010312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102782 (or 102778 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30223010312 its reverse (21301032203), we get a palindrome (51524042515).

The spelling of 30223010312 in words is "thirty billion, two hundred twenty-three million, ten thousand, three hundred twelve".