30231023120 has 80 divisors (see below), whose sum is σ = 74189418240. Its totient is φ = 11424540672.

The previous prime is 30231023089. The next prime is 30231023129. The reversal of 30231023120 is 2132013203.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (30231023129) 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, 530744 + ... + 584936.

It is an arithmetic number, because the mean of its divisors is an integer number (927367728).

Almost surely, 2^30231023120 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 30231023120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37094709120).

30231023120 is an abundant number, since it is smaller than the sum of its proper divisors (43958395120).

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

30231023120 is a wasteful number, since it uses less digits than its factorization.

30231023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54592 (or 54586 counting only the distinct ones).

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

Adding to 30231023120 its reverse (2132013203), we get a palindrome (32363036323).

The spelling of 30231023120 in words is "thirty billion, two hundred thirty-one million, twenty-three thousand, one hundred twenty".