231344044100 has 144 divisors (see below), whose sum is σ = 582339394560. Its totient is φ = 79069478400.

The previous prime is 231344044067. The next prime is 231344044103. The reversal of 231344044100 is 1440443132.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 231344044100.

It is not an unprimeable number, because it can be changed into a prime (231344044103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 802106 + ... + 1051694.

Almost surely, 2^231344044100 is an apocalyptic number.

231344044100 is a gapful number since it is divisible by the number (20) 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 231344044100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291169697280).

231344044100 is an abundant number, since it is smaller than the sum of its proper divisors (350995350460).

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

231344044100 is a wasteful number, since it uses less digits than its factorization.

231344044100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249670 (or 249663 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 231344044100 its reverse (1440443132), we get a palindrome (232784487232).

The spelling of 231344044100 in words is "two hundred thirty-one billion, three hundred forty-four million, forty-four thousand, one hundred".