30231221100030 has 24 divisors (see below), whose sum is σ = 78601174860312. Its totient is φ = 8061658959984.

The previous prime is 30231221100007. The next prime is 30231221100083. The reversal of 30231221100030 is 3000112213203.

30231221100030 is a `hidden beast` number, since 302 + 312 + 21 + 1 + 0 + 0 + 0 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30231221099976 and 30231221100012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167951228244 + ... + 167951228423.

It is an arithmetic number, because the mean of its divisors is an integer number (3275048952513).

Almost surely, 2^{30231221100030} is an apocalyptic number.

30231221100030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30231221100030 is an abundant number, since it is smaller than the sum of its proper divisors (48369953760282).

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

30231221100030 is a wasteful number, since it uses less digits than its factorization.

30231221100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335902456680 (or 335902456677 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30231221100030 its reverse (3000112213203), we get a palindrome (33231333313233).

The spelling of 30231221100030 in words is "thirty trillion, two hundred thirty-one billion, two hundred twenty-one million, one hundred thousand, thirty".