231330100230 has 32 divisors (see below), whose sum is σ = 616880268000. Its totient is φ = 61688026656.

The previous prime is 231330100217. The next prime is 231330100231. The reversal of 231330100230 is 32001033132.

231330100230 is a `hidden beast` number, since 2 + 3 + 1 + 330 + 100 + 230 = 666.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231330100231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428388805 + ... + 428389344.

It is an arithmetic number, because the mean of its divisors is an integer number (19277508375).

Almost surely, 2^231330100230 is an apocalyptic number.

231330100230 is an abundant number, since it is smaller than the sum of its proper divisors (385550167770).

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

231330100230 is a wasteful number, since it uses less digits than its factorization.

231330100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856778165 (or 856778159 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 231330100230 its reverse (32001033132), we get a palindrome (263331133362).

The spelling of 231330100230 in words is "two hundred thirty-one billion, three hundred thirty million, one hundred thousand, two hundred thirty".