30231020112 has 40 divisors (see below), whose sum is σ = 78124285440. Its totient is φ = 10073460480.

The previous prime is 30231020093. The next prime is 30231020119. The reversal of 30231020112 is 21102013203.

It is a junction number, because it is equal to n+sod(n) for n = 30231020091 and 30231020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231020119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28812 + ... + 247572.

It is an arithmetic number, because the mean of its divisors is an integer number (1953107136).

Almost surely, 2^30231020112 is an apocalyptic number.

It is an amenable number.

30231020112 is an abundant number, since it is smaller than the sum of its proper divisors (47893265328).

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

30231020112 is a wasteful number, since it uses less digits than its factorization.

30231020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221651 (or 221645 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30231020112 its reverse (21102013203), we get a palindrome (51333033315).

The spelling of 30231020112 in words is "thirty billion, two hundred thirty-one million, twenty thousand, one hundred twelve".