231112440200 has 48 divisors (see below), whose sum is σ = 539248783860. Its totient is φ = 92115968000.

The previous prime is 231112440121. The next prime is 231112440227. The reversal of 231112440200 is 2044211132.

It can be written as a sum of positive squares in 6 ways, for example, as 136003113796 + 95109326404 = 368786^2 + 308398^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1999961 + ... + 2112360.

Almost surely, 2^231112440200 is an apocalyptic number.

231112440200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231112440200 is an abundant number, since it is smaller than the sum of its proper divisors (308136343660).

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

231112440200 is a wasteful number, since it uses less digits than its factorization.

231112440200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112618 (or 4112609 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 231112440200 its reverse (2044211132), we get a palindrome (233156651332).

The spelling of 231112440200 in words is "two hundred thirty-one billion, one hundred twelve million, four hundred forty thousand, two hundred".