231253305200 has 120 divisors (see below), whose sum is σ = 595356613488. Its totient is φ = 86010941440.

The previous prime is 231253305193. The next prime is 231253305233. The reversal of 231253305200 is 2503352132.

It is a self number, because there is not a number n which added to its sum of digits gives 231253305200.

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, 359534 + ... + 769266.

Almost surely, 2^231253305200 is an apocalyptic number.

231253305200 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 231253305200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297678306744).

231253305200 is an abundant number, since it is smaller than the sum of its proper divisors (364103308288).

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

231253305200 is a wasteful number, since it uses less digits than its factorization.

231253305200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409851 (or 409840 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 231253305200 its reverse (2503352132), we get a palindrome (233756657332).

The spelling of 231253305200 in words is "two hundred thirty-one billion, two hundred fifty-three million, three hundred five thousand, two hundred".