531305210230000 has 200 divisors, whose sum is σ = 1291739002765200. Its totient is φ = 211632233472000.

The previous prime is 531305210229991. The next prime is 531305210230007. The reversal of 531305210230000 is 32012503135.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531305210230007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2608568166 + ... + 2608771834.

It is an arithmetic number, because the mean of its divisors is an integer number (6458695013826).

Almost surely, 2^{531305210230000} is an apocalyptic number.

531305210230000 is a gapful number since it is divisible by the number (50) 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 531305210230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645869501382600).

531305210230000 is an abundant number, since it is smaller than the sum of its proper divisors (760433792535200).

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

531305210230000 is a wasteful number, since it uses less digits than its factorization.

531305210230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204789 (or 204768 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 531305210230000 its reverse (32012503135), we get a palindrome (531337222733135).

The spelling of 531305210230000 in words is "five hundred thirty-one trillion, three hundred five billion, two hundred ten million, two hundred thirty thousand".