230031100 has 144 divisors (see below), whose sum is σ = 578435200. Its totient is φ = 78693120.

The previous prime is 230031079. The next prime is 230031107. The reversal of 230031100 is 1130032.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230031107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1654831 + ... + 1654969.

Almost surely, 2^230031100 is an apocalyptic number.

230031100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230031100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289217600).

230031100 is an abundant number, since it is smaller than the sum of its proper divisors (348404100).

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

230031100 is a wasteful number, since it uses less digits than its factorization.

230031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 230031100 is about 15166.7761900807. The cubic root of 230031100 is about 612.7201818418.

Adding to 230031100 its reverse (1130032), we get a palindrome (231161132).

The spelling of 230031100 in words is "two hundred thirty million, thirty-one thousand, one hundred".