231225513200 has 120 divisors (see below), whose sum is σ = 606188344320. Its totient is φ = 84058796800.

The previous prime is 231225513187. The next prime is 231225513257. The reversal of 231225513200 is 2315522132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 231225513200.

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, 30879857 + ... + 30887343.

It is an arithmetic number, because the mean of its divisors is an integer number (5051569536).

Almost surely, 2^231225513200 is an apocalyptic number.

231225513200 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 231225513200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303094172160).

231225513200 is an abundant number, since it is smaller than the sum of its proper divisors (374962831120).

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

231225513200 is a wasteful number, since it uses less digits than its factorization.

231225513200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14535 (or 14524 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 231225513200 in words is "two hundred thirty-one billion, two hundred twenty-five million, five hundred thirteen thousand, two hundred".