30231110220 has 24 divisors (see below), whose sum is σ = 84647108784. Its totient is φ = 8061629376.

The previous prime is 30231110209. The next prime is 30231110249. The reversal of 30231110220 is 2201113203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30231110220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251925859 + ... + 251925978.

It is an arithmetic number, because the mean of its divisors is an integer number (3526962866).

Almost surely, 2^30231110220 is an apocalyptic number.

30231110220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30231110220 is an abundant number, since it is smaller than the sum of its proper divisors (54415998564).

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

30231110220 is a wasteful number, since it uses less digits than its factorization.

30231110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503851849 (or 503851847 counting only the distinct ones).

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

Adding to 30231110220 its reverse (2201113203), we get a palindrome (32432223423).

The spelling of 30231110220 in words is "thirty billion, two hundred thirty-one million, one hundred ten thousand, two hundred twenty".