231100312230 has 24 divisors (see below), whose sum is σ = 600860812032. Its totient is φ = 61626749904.

The previous prime is 231100312199. The next prime is 231100312237. The reversal of 231100312230 is 32213001132.

231100312230 is a `hidden beast` number, since 23 + 1 + 100 + 312 + 230 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231100312237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1283890534 + ... + 1283890713.

It is an arithmetic number, because the mean of its divisors is an integer number (25035867168).

Almost surely, 2^231100312230 is an apocalyptic number.

231100312230 is an abundant number, since it is smaller than the sum of its proper divisors (369760499802).

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

231100312230 is a wasteful number, since it uses less digits than its factorization.

231100312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567781260 (or 2567781257 counting only the distinct ones).

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

Adding to 231100312230 its reverse (32213001132), we get a palindrome (263313313362).

The spelling of 231100312230 in words is "two hundred thirty-one billion, one hundred million, three hundred twelve thousand, two hundred thirty".