12310231100 has 72 divisors (see below), whose sum is σ = 28377610800. Its totient is φ = 4622054400.

The previous prime is 12310231091. The next prime is 12310231147. The reversal of 12310231100 is 113201321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177380 + ... + 236820.

Almost surely, 2^12310231100 is an apocalyptic number.

12310231100 is a gapful number since it is divisible by the number (10) 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 12310231100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14188805400).

12310231100 is an abundant number, since it is smaller than the sum of its proper divisors (16067379700).

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

12310231100 is a wasteful number, since it uses less digits than its factorization.

12310231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59583 (or 59576 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12310231100 its reverse (113201321), we get a palindrome (12423432421).

The spelling of 12310231100 in words is "twelve billion, three hundred ten million, two hundred thirty-one thousand, one hundred".