12310031100 has 36 divisors (see below), whose sum is σ = 35617024184. Its totient is φ = 3282674880.

The previous prime is 12310031081. The next prime is 12310031113. The reversal of 12310031100 is 113001321.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20516419 + ... + 20517018.

Almost surely, 2^12310031100 is an apocalyptic number.

12310031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310031100 is an abundant number, since it is smaller than the sum of its proper divisors (23306993084).

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

12310031100 is a wasteful number, since it uses less digits than its factorization.

12310031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41033454 (or 41033447 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 12310031100 its reverse (113001321), we get a palindrome (12423032421).

The spelling of 12310031100 in words is "twelve billion, three hundred ten million, thirty-one thousand, one hundred".