225431042300 has 144 divisors (see below), whose sum is σ = 520999987200. Its totient is φ = 84424032000.

The previous prime is 225431042273. The next prime is 225431042321. The reversal of 225431042300 is 3240134522.

It is a self number, because there is not a number n which added to its sum of digits gives 225431042300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95886125 + ... + 95888475.

Almost surely, 2^225431042300 is an apocalyptic number.

225431042300 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 225431042300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260499993600).

225431042300 is an abundant number, since it is smaller than the sum of its proper divisors (295568944900).

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

225431042300 is a wasteful number, since it uses less digits than its factorization.

225431042300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956 (or 2949 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 225431042300 its reverse (3240134522), we get a palindrome (228671176822).

The spelling of 225431042300 in words is "two hundred twenty-five billion, four hundred thirty-one million, forty-two thousand, three hundred".