30243111312 has 20 divisors (see below), whose sum is σ = 78128037680. Its totient is φ = 10081037088.

The previous prime is 30243111293. The next prime is 30243111329. The reversal of 30243111312 is 21311134203.

It is a super-2 number, since 2×30243111312² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315032362 + ... + 315032457.

It is an arithmetic number, because the mean of its divisors is an integer number (3906401884).

Almost surely, 2^30243111312 is an apocalyptic number.

It is an amenable number.

30243111312 is an abundant number, since it is smaller than the sum of its proper divisors (47884926368).

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

30243111312 is a wasteful number, since it uses less digits than its factorization.

30243111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630064830 (or 630064824 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30243111312 its reverse (21311134203), we get a palindrome (51554245515).

It can be divided in two parts, 30 and 243111312, that added together give a palindrome (243111342).

The spelling of 30243111312 in words is "thirty billion, two hundred forty-three million, one hundred eleven thousand, three hundred twelve".