30231108 has 72 divisors (see below), whose sum is σ = 82555200. Its totient is φ = 9299136.

The previous prime is 30231101. The next prime is 30231133. The reversal of 30231108 is 80113203.

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

It is not an unprimeable number, because it can be changed into a prime (30231101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23383 + ... + 24641.

It is an arithmetic number, because the mean of its divisors is an integer number (1146600).

Almost surely, 2^30231108 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 30231108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41277600).

30231108 is an abundant number, since it is smaller than the sum of its proper divisors (52324092).

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

30231108 is a wasteful number, since it uses less digits than its factorization.

30231108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 30231108 is about 5498.2822772208. The cubic root of 30231108 is about 311.5191063069.

The spelling of 30231108 in words is "thirty million, two hundred thirty-one thousand, one hundred eight".