210230331203240 has 32 divisors (see below), whose sum is σ = 473018677934760. Its totient is φ = 84092055552000.

The previous prime is 210230331203197. The next prime is 210230331203261. The reversal of 210230331203240 is 42302133032012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 104301814906276 + 105928516296964 = 10212826^2 + 10292158^2 .

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 7 ways as a sum of consecutive naturals, for example, 65652200 + ... + 68779880.

Almost surely, 2^{210230331203240} is an apocalyptic number.

210230331203240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210230331203240 is an abundant number, since it is smaller than the sum of its proper divisors (262788346731520).

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

210230331203240 is a wasteful number, since it uses less digits than its factorization.

210230331203240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808093 (or 4808089 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 210230331203240 its reverse (42302133032012), we get a palindrome (252532464235252).

The spelling of 210230331203240 in words is "two hundred ten trillion, two hundred thirty billion, three hundred thirty-one million, two hundred three thousand, two hundred forty".